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🎯 CUET β€” Previous Year & Expected Questions

🎯 CUET β€” Previous Year & Expected Questions

Category-wise with Answers | Most Likely to Appear

πŸ“Œ How to use this: Go through each question, try to answer mentally first, then check. Mark ones you got wrong with ❌ and revise those topics first!


πŸ“‹ Table of Contents

🌍 Part A β€” General Knowledge

πŸ”’ Part B β€” Quantitative Aptitude


πŸ”₯ = Appeared in multiple previous years | ⭐ = High probability of appearing | πŸ’‘ = Tricky β€” read carefully


🌍 PART A β€” GENERAL KNOWLEDGE


1. Basic Information about India

# Question Answer
1 πŸ”₯ What is the national animal of India? Bengal Tiger
2 πŸ”₯ What is the national bird of India? Indian Peacock
3 πŸ”₯ Which is the largest state of India by area? Rajasthan
4 πŸ”₯ Which is the smallest state of India by area? Goa
5 πŸ”₯ Which is the largest state by population? Uttar Pradesh
6 πŸ”₯ Which state has the longest coastline? Gujarat
7 ⭐ What is the southernmost point of India? Indira Point (Andaman & Nicobar)
8 ⭐ What is the northernmost point of India? Siachen Glacier
9 πŸ”₯ How many states and UTs does India have? 28 States + 8 UTs
10 ⭐ What is the national emblem of India? Lion Capital of Ashoka (Sarnath)
11 πŸ”₯ What is the national river of India? Ganga
12 ⭐ What is India's national fruit? Mango
13 ⭐ What is India's national tree? Banyan Tree
14 πŸ”₯ Who wrote the National Anthem of India? Rabindranath Tagore
15 ⭐ Who wrote Vande Mataram? Bankim Chandra Chattopadhyay
16 πŸ’‘ Which is the smallest Union Territory of India? Lakshadweep
17 ⭐ Which is the largest Union Territory by area? Ladakh
18 πŸ’‘ What is the official language of India as per the Constitution? Hindi (along with English for official purposes)
19 ⭐ How many languages are in the 8th Schedule? 22
20 ⭐ Which city is known as the "Pink City"? Jaipur

2. First in India and the World

# Question Answer
1 πŸ”₯ Who was the first Prime Minister of India? Jawaharlal Nehru
2 πŸ”₯ Who was the first President of India? Dr. Rajendra Prasad
3 πŸ”₯ Who was the first female Prime Minister of India? Indira Gandhi
4 πŸ”₯ Who was the first female President of India? Pratibha Patil
5 πŸ”₯ Who was the first Indian to go to space? Rakesh Sharma (1984)
6 πŸ”₯ Who was the first Indian woman to go to space? Kalpana Chawla
7 πŸ”₯ Who was the first Indian to win the Nobel Prize? Rabindranath Tagore (Literature, 1913)
8 πŸ”₯ Who was the first female IPS officer in India? Kiran Bedi
9 ⭐ Who was the first Indian to climb Mount Everest? Tenzing Norgay (1953)
10 πŸ”₯ Who was the first Indian woman to climb Everest? Bachendri Pal (1984)
11 ⭐ Who was the first Governor-General of independent India? Lord Mountbatten
12 ⭐ Who was the first Indian Governor-General? C. Rajagopalachari
13 πŸ’‘ Who was the first Deputy PM of India? Sardar Vallabhbhai Patel
14 πŸ”₯ Which was the first country to give women voting rights? New Zealand (1893)
15 ⭐ Who was the first man to walk on the Moon? Neil Armstrong (1969)
16 πŸ”₯ Who was the first woman in space? Valentina Tereshkova (1963, USSR)
17 πŸ’‘ Who was the first person to reach South Pole? Roald Amundsen (1911)
18 ⭐ Which was India's first satellite? Aryabhata (1975)
19 ⭐ Who was the first Indian to win Olympic gold? Abhinav Bindra (2008)
20 πŸ’‘ Which was the first newspaper in India? Bengal Gazette (1780), by James Augustus Hicky
21 ⭐ Who was the first Chief Justice of India? H.J. Kania
22 πŸ”₯ Which Indian woman first won a Grand Slam? Sania Mirza (Doubles, 2009)
23 ⭐ First Five-Year Plan of India was in which period? 1951–1956

3. Countries, Capitals & Currencies

# Question Answer
1 πŸ”₯ Capital of Australia? Canberra
2 πŸ”₯ Capital of Canada? Ottawa
3 πŸ”₯ Capital of Brazil? BrasΓ­lia
4 πŸ”₯ Currency of Japan? Yen
5 πŸ”₯ Currency of China? Yuan (Renminbi)
6 πŸ”₯ Which country uses the Taka? Bangladesh
7 πŸ”₯ Which currency does Switzerland use? Swiss Franc
8 ⭐ Capital of Myanmar? Naypyidaw
9 ⭐ Capital of Sri Lanka? Sri Jayawardenepura Kotte (legislative) / Colombo (commercial)
10 ⭐ Which countries use the Euro? France, Germany, Italy, Spain & others (Eurozone)
11 πŸ’‘ Currency of UAE? Dirham
12 πŸ”₯ Capital of Germany? Berlin
13 ⭐ Capital of Pakistan? Islamabad
14 ⭐ Capital of South Africa? Pretoria (executive)
15 πŸ’‘ Currency of Russia? Ruble
16 ⭐ Capital of Nepal? Kathmandu
17 πŸ’‘ Which is the only country in the world with no official capital? Nauru
18 ⭐ Capital of New Zealand? Wellington (not Auckland!)
19 πŸ’‘ Currency of Saudi Arabia? Saudi Riyal
20 πŸ”₯ Capital of USA? Washington D.C.

4. UNESCO World Heritage Sites

# Question Answer
1 πŸ”₯ In which state are the Ajanta Caves? Maharashtra
2 πŸ”₯ In which state are the Ellora Caves? Maharashtra
3 πŸ”₯ Konark Sun Temple is in which state? Odisha
4 πŸ”₯ Hampi ruins are in which state? Karnataka
5 πŸ”₯ Which year was the Taj Mahal declared a UNESCO site? 1983
6 ⭐ Which is India's latest UNESCO Heritage site? Hoysala Temples (2023)
7 ⭐ Kaziranga National Park is a UNESCO site in which state? Assam
8 πŸ”₯ Mahabodhi Temple is in which state? Bihar
9 ⭐ Rani-ki-Vav is in which state? Gujarat
10 ⭐ Fatehpur Sikri is in which city? Agra, Uttar Pradesh
11 πŸ’‘ Which state has the most UNESCO Heritage Sites in India? Tamil Nadu
12 ⭐ Valley of Flowers is in which state? Uttarakhand
13 πŸ”₯ Qutub Minar is a UNESCO site β€” in which city? New Delhi
14 ⭐ Nalanda Mahavihara was added to UNESCO list in which year? 2016
15 πŸ’‘ Great Himalayan National Park is in which state? Himachal Pradesh

5. International Organisations & HQ

# Question Answer
1 πŸ”₯ HQ of WHO? Geneva, Switzerland
2 πŸ”₯ HQ of UNESCO? Paris, France
3 πŸ”₯ HQ of WTO? Geneva, Switzerland
4 πŸ”₯ HQ of IMF? Washington D.C., USA
5 πŸ”₯ HQ of INTERPOL? Lyon, France
6 πŸ”₯ HQ of SAARC? Kathmandu, Nepal
7 πŸ”₯ HQ of ASEAN? Jakarta, Indonesia
8 πŸ”₯ HQ of ICC (Cricket)? Dubai, UAE
9 πŸ”₯ HQ of FIFA? Zurich, Switzerland
10 ⭐ HQ of IOC (Olympics)? Lausanne, Switzerland
11 πŸ”₯ HQ of NATO? Brussels, Belgium
12 ⭐ HQ of OPEC? Vienna, Austria
13 ⭐ HQ of IAEA? Vienna, Austria
14 πŸ”₯ HQ of World Bank? Washington D.C., USA
15 πŸ’‘ HQ of ILO? Geneva, Switzerland
16 ⭐ HQ of UN? New York, USA
17 ⭐ HQ of Red Cross (ICRC)? Geneva, Switzerland
18 πŸ’‘ HQ of WEF (World Economic Forum)? Davos / Geneva, Switzerland
19 ⭐ India is a member of which nuclear grouping? NSG (Nuclear Suppliers Group)
20 πŸ”₯ When was the UN established? 24 October 1945

6. Sobriquets / Nicknames

# Question Answer
1 πŸ”₯ Which city is called the "City of Joy"? Kolkata
2 πŸ”₯ Which city is called the "Silicon Valley of India"? Bengaluru
3 πŸ”₯ Which country is called "Land of Rising Sun"? Japan
4 πŸ”₯ Which city is called "City of Nawabs"? Lucknow (also Hyderabad)
5 πŸ”₯ Which city is called "Pink City"? Jaipur
6 ⭐ Which city is called "Blue City"? Jodhpur
7 ⭐ Which city is called "City of Lakes"? Udaipur
8 ⭐ "Gateway of India" is associated with which city? Mumbai
9 πŸ”₯ Which state is called "God's Own Country"? Kerala
10 πŸ”₯ Which state is called "Spice Garden of India"? Kerala
11 ⭐ Which state is called "Rice Bowl of India"? Andhra Pradesh
12 πŸ’‘ Which country is called "Roof of the World"? Tibet
13 ⭐ Which country is called "Land of Midnight Sun"? Norway
14 πŸ’‘ Which country is called "Land of Thunderbolt"? Bhutan
15 ⭐ Which city is called "Manchester of India"? Ahmedabad
16 πŸ”₯ Which state is called "Land of Five Rivers"? Punjab
17 ⭐ "Oxford of the East" refers to which city? Pune
18 πŸ’‘ "Gift of the Nile" refers to which country? Egypt
19 ⭐ "City of Pearls" is a nickname for? Hyderabad
20 πŸ”₯ Which is called "Golden City" of India? Jaisalmer

7. National Parks & Sanctuaries

# Question Answer
1 πŸ”₯ Which is India's first National Park? Jim Corbett National Park (1936), Uttarakhand
2 πŸ”₯ Kaziranga National Park is famous for? One-horned Rhinoceros
3 πŸ”₯ Gir National Park is in which state? Gujarat
4 πŸ”₯ Gir National Park is famous for? Asiatic Lions
5 πŸ”₯ Sundarbans National Park is in which state? West Bengal
6 ⭐ Which is the largest National Park in India? Hemis National Park (Ladakh)
7 ⭐ Which is the smallest National Park in India? South Button Island NP (Andaman)
8 πŸ”₯ Project Tiger was launched in which year? 1973
9 ⭐ Manas National Park is in which state? Assam
10 ⭐ Valley of Flowers is in which state? Uttarakhand
11 πŸ’‘ Namdapha National Park is known for? Snow Leopard (Arunachal Pradesh)
12 πŸ”₯ Which NP is home to the Barasingha (swamp deer)? Kanha National Park (MP)
13 ⭐ Periyar National Park (Kerala) is famous for? Elephants
14 πŸ’‘ Project Elephant was launched in? 1992
15 ⭐ Ranthambore National Park is in which state? Rajasthan

8. Inventions & Discoveries

# Question Answer
1 πŸ”₯ Who invented the telephone? Alexander Graham Bell
2 πŸ”₯ Who invented the electric bulb? Thomas Edison
3 πŸ”₯ Who invented the radio? Guglielmo Marconi
4 πŸ”₯ Who invented the airplane? Wright Brothers (Orville & Wilbur)
5 πŸ”₯ Who invented penicillin? Alexander Fleming (1928)
6 πŸ”₯ Who invented the printing press? Johannes Gutenberg (1440)
7 πŸ”₯ Who discovered X-rays? Wilhelm RΓΆntgen (1895)
8 πŸ”₯ Who invented the World Wide Web? Tim Berners-Lee (1991)
9 ⭐ Who discovered vaccination? Edward Jenner
10 ⭐ Who proposed the theory of relativity? Albert Einstein
11 ⭐ Who discovered the structure of DNA? Watson & Crick (1953)
12 πŸ’‘ Who invented dynamite? Alfred Nobel
13 πŸ”₯ India invented which game? Chess (Chaturanga)
14 πŸ”₯ Who is credited with the concept of zero? Brahmagupta / Aryabhata
15 ⭐ Who invented the steam engine? James Watt (1769)
16 ⭐ Who invented the telescope? Galileo Galilei
17 πŸ’‘ Who invented the microscope? Antonie van Leeuwenhoek
18 ⭐ Who invented the diesel engine? Rudolf Diesel
19 πŸ’‘ Who is called the "Father of Computer"? Charles Babbage
20 πŸ”₯ Television was invented by? John Logie Baird

9. Superlatives β€” India & World

# Question Answer
1 πŸ”₯ Largest country by area in the world? Russia
2 πŸ”₯ Smallest country in the world? Vatican City
3 πŸ”₯ Tallest mountain in the world? Mount Everest (8,848.86 m)
4 πŸ”₯ Largest ocean in the world? Pacific Ocean
5 πŸ”₯ Deepest point in the world? Mariana Trench (Pacific Ocean)
6 πŸ”₯ Longest river in the world? Nile (Africa)
7 πŸ”₯ Largest desert in the world (hot)? Sahara
8 πŸ’‘ Largest desert overall (including cold)? Antarctica
9 πŸ”₯ Largest lake in the world? Caspian Sea
10 πŸ”₯ Tallest building in the world? Burj Khalifa, Dubai
11 πŸ”₯ Longest coastline in the world? Canada
12 πŸ”₯ Largest river island in India? Majuli (Assam)
13 πŸ”₯ Highest dam in India? Tehri Dam (Uttarakhand)
14 ⭐ Largest stadium in the world (cricket)? Narendra Modi Stadium, Ahmedabad
15 πŸ”₯ Largest saltwater lake in India? Chilika Lake (Odisha)
16 ⭐ Highest waterfall in India? Kunchikal Falls (Karnataka)
17 ⭐ Largest mosque in India? Jama Masjid, Delhi
18 πŸ’‘ First metro rail in India (city)? Kolkata (1984)
19 ⭐ Largest freshwater lake in India? Wular Lake (J&K)
20 πŸ”₯ Smallest continent? Australia

10. Sports Module

# Question Answer
1 πŸ”₯ Which country has won the most Cricket World Cups? Australia (6 times)
2 πŸ”₯ Who won India's first individual Olympic gold? Abhinav Bindra (2008, Shooting)
3 πŸ”₯ Where were the 2024 Summer Olympics held? Paris, France
4 πŸ”₯ FIFA World Cup 2022 winner? Argentina
5 ⭐ ICC World Cup 2023 winner? Australia
6 πŸ”₯ India won Cricket World Cup in which years? 1983, 2011, 2024 (T20)
7 πŸ”₯ National sport of India? Field Hockey (unofficially)
8 πŸ”₯ Largest cricket stadium in the world? Narendra Modi Stadium, Ahmedabad
9 ⭐ Who is called "Flying Sikh" of India? Milkha Singh
10 πŸ”₯ Who is called "Missile Man of Indian Hockey"? Dhanraj Pillay
11 ⭐ Wimbledon is associated with which sport? Tennis (Lawn Tennis)
12 ⭐ "Thomas Cup" is associated with? Badminton
13 πŸ’‘ "Davis Cup" is associated with? Tennis
14 πŸ”₯ How many players are there in a cricket team? 11
15 πŸ”₯ How many players are in a basketball team? 5
16 ⭐ Olympic motto? Faster, Higher, Stronger (Citius, Altius, Fortius)
17 πŸ’‘ Where are the 2028 Summer Olympics to be held? Los Angeles, USA
18 ⭐ "Santosh Trophy" is associated with? Football
19 ⭐ Who won the most Grand Slam titles (Men's Tennis)? Novak Djokovic (24)
20 πŸ”₯ Durand Cup is related to which sport? Football

11. Books & Authors

# Question Answer
1 πŸ”₯ Who wrote "Wings of Fire"? Dr. A.P.J. Abdul Kalam
2 πŸ”₯ Who wrote "Discovery of India"? Jawaharlal Nehru
3 πŸ”₯ Who wrote "Gitanjali"? Rabindranath Tagore
4 πŸ”₯ Who wrote "My Experiments with Truth"? Mahatma Gandhi
5 πŸ”₯ "The God of Small Things" was written by? Arundhati Roy
6 πŸ”₯ "Midnight's Children" was written by? Salman Rushdie
7 ⭐ "The White Tiger" (Booker Prize) was written by? Aravind Adiga
8 ⭐ "Godan" was written by? Munshi Premchand
9 ⭐ "Train to Pakistan" was written by? Khushwant Singh
10 πŸ”₯ "Harry Potter" series was written by? J.K. Rowling
11 ⭐ "The Alchemist" was written by? Paulo Coelho
12 πŸ’‘ "Ignited Minds" was written by? Dr. A.P.J. Abdul Kalam
13 ⭐ "India Wins Freedom" was written by? Maulana Abul Kalam Azad
14 πŸ’‘ "Gora" was written by? Rabindranath Tagore
15 ⭐ "1984" was written by? George Orwell
16 πŸ”₯ "A Suitable Boy" was written by? Vikram Seth
17 πŸ’‘ "The Old Man and the Sea" was written by? Ernest Hemingway
18 ⭐ "2 States" was written by? Chetan Bhagat
19 ⭐ "Anna Karenina" was written by? Leo Tolstoy
20 πŸ’‘ "Arthashastra" was written by? Kautilya (Chanakya)

12. Indian Awards & Recognition

# Question Answer
1 πŸ”₯ What is India's highest civilian award? Bharat Ratna
2 πŸ”₯ What is India's highest military award? Param Vir Chakra
3 πŸ”₯ What is India's highest peacetime gallantry award? Ashoka Chakra
4 πŸ”₯ Who were the first recipients of Bharat Ratna (1954)? C. Rajagopalachari, S. Radhakrishnan, C.V. Raman
5 πŸ”₯ What is the highest award given to sportspersons? Major Dhyan Chand Khel Ratna Award
6 ⭐ Which award is given to outstanding sports coaches? Dronacharya Award
7 ⭐ Which award is for lifetime contribution to sports? Dhyan Chand Award
8 ⭐ Padma awards are announced on which day every year? Republic Day (26 January)
9 πŸ”₯ Which actor/personality was recently awarded Bharat Ratna? Check latest (e.g., LK Advani, Karpoori Thakur β€” 2024)
10 πŸ’‘ Which Indian cricketer has received the Bharat Ratna? Sachin Tendulkar (2014)
11 ⭐ Arjuna Award is given for? Outstanding performance in sports
12 πŸ”₯ Which film award is India's national film award? National Film Award (Dadasaheb Phalke = Lifetime)
13 πŸ’‘ Dadasaheb Phalke Award is given for? Lifetime contribution to Indian cinema
14 ⭐ Sangeet Natak Akademi Award is given for? Outstanding contribution to Performing Arts
15 πŸ”₯ Sahitya Akademi Award is given for? Outstanding contribution to Indian Literature

13. Global Awards & Recognition

# Question Answer
1 πŸ”₯ Who was the first Indian to win the Nobel Prize? Rabindranath Tagore (Literature, 1913)
2 πŸ”₯ Who won the Nobel Peace Prize from India? Mother Teresa (1979), Kailash Satyarthi (2014)
3 πŸ”₯ Nobel Prize in Economics was won by which Indian? Amartya Sen (1998)
4 πŸ”₯ C.V. Raman won Nobel Prize in which category? Physics (1930) β€” Raman Effect
5 ⭐ Booker Prize is awarded for? Best novel in English (Commonwealth)
6 ⭐ Which Indian won the Booker Prize for "The God of Small Things"? Arundhati Roy (1997)
7 πŸ”₯ Oscar Award is given by which organisation? Academy of Motion Picture Arts and Sciences (USA)
8 πŸ”₯ Grammy Award is given for? Outstanding music (USA)
9 ⭐ Pulitzer Prize is awarded for? Journalism, Literature, Music (USA)
10 πŸ’‘ Palme d'Or is awarded at which festival? Cannes Film Festival
11 ⭐ Ramon Magsaysay Award is often called? Asia's Nobel Prize
12 πŸ’‘ Nobel Prizes are awarded on which date? 10 December (death anniversary of Alfred Nobel)
13 ⭐ Man Booker International Prize is for? Translated literature
14 πŸ”₯ Which Indian won Nobel Prize in Chemistry? Venkataraman Ramakrishnan (2009)
15 πŸ’‘ Fields Medal is given in which field? Mathematics (highest honour, every 4 years)

14. Indian Art & Culture

# Question Answer
1 πŸ”₯ Which classical dance form belongs to Tamil Nadu? Bharatnatyam
2 πŸ”₯ Kathak is the classical dance of which state? Uttar Pradesh / Rajasthan
3 πŸ”₯ Kathakali is the classical dance of which state? Kerala
4 πŸ”₯ Odissi belongs to which state? Odisha
5 πŸ”₯ Bihu dance belongs to which state? Assam
6 πŸ”₯ Garba is the folk dance of which state? Gujarat
7 πŸ”₯ Bhangra is the folk dance of which state? Punjab
8 ⭐ Ghoomar is the folk dance of which state? Rajasthan
9 ⭐ Manipuri is the classical dance of which state? Manipur
10 ⭐ Sattriya is the classical dance of which state? Assam
11 πŸ’‘ Kuchipudi belongs to which state? Andhra Pradesh
12 πŸ”₯ Mohiniyattam belongs to which state? Kerala
13 ⭐ Hindustani classical music is from which region? North India
14 ⭐ Carnatic music is from which region? South India
15 πŸ”₯ Onam is the harvest festival of which state? Kerala
16 πŸ”₯ Pongal is the festival of which state? Tamil Nadu
17 ⭐ Durga Puja is the major festival of which state? West Bengal
18 πŸ’‘ Chhau dance is associated with? West Bengal / Jharkhand / Odisha
19 ⭐ Lavani is the folk dance of which state? Maharashtra
20 πŸ”₯ Hemis festival is celebrated in? Ladakh (Buddhist festival)

15. Indian Polity

# Question Answer
1 πŸ”₯ When was the Indian Constitution adopted? 26 November 1949
2 πŸ”₯ When did the Indian Constitution come into effect? 26 January 1950
3 πŸ”₯ Who is called the "Father of the Indian Constitution"? Dr. B.R. Ambedkar
4 πŸ”₯ How many Fundamental Rights are in the Constitution? 6
5 πŸ”₯ Article 21 is related to? Right to Life and Personal Liberty
6 πŸ”₯ Article 32 is related to? Right to Constitutional Remedies (Heart of Constitution)
7 πŸ”₯ Article 14 is related to? Right to Equality
8 πŸ”₯ Article 19 is related to? Freedom of Speech and Expression
9 ⭐ From which country did India borrow the concept of Fundamental Rights? USA
10 ⭐ From which country did India borrow Directive Principles? Ireland
11 ⭐ From which country did India borrow the Parliamentary system? UK
12 πŸ’‘ How many Schedules does the Indian Constitution have? 12
13 πŸ”₯ Article 356 is related to? President's Rule in a State
14 πŸ”₯ Article 370 (abrogated 2019) was related to? Special status to J&K
15 ⭐ Who appoints the Prime Minister of India? President of India
16 πŸ’‘ How many members are in Rajya Sabha (max)? 250 (238 elected + 12 nominated)
17 ⭐ How many members are in Lok Sabha (max)? 552
18 πŸ”₯ What is the term of Rajya Sabha members? 6 years
19 πŸ’‘ Rajya Sabha cannot be dissolved β€” True or False? True (it is a permanent body)
20 πŸ”₯ The Emergency provisions in India are inspired from? Germany (Weimar Constitution)
21 ⭐ Article 51A deals with? Fundamental Duties (added by 42nd Amendment)
22 πŸ’‘ Preamble was amended in which year? 1976 (42nd Amendment β€” added Socialist, Secular, Integrity)

16. Science & Technology

# Question Answer
1 πŸ”₯ Chandrayaan-3 successfully landed on the Moon in which year? 2023
2 πŸ”₯ Chandrayaan-3 landed on which part of the Moon? South Pole
3 πŸ”₯ Which was India's first Mars mission? Mangalyaan (MOM, 2014)
4 πŸ”₯ Which was India's first satellite? Aryabhata (1975)
5 πŸ”₯ ISRO stands for? Indian Space Research Organisation
6 ⭐ Aditya-L1 mission (2023) was launched to study? Sun / Solar corona
7 πŸ”₯ What is the speed of light? 3 Γ— 10⁸ m/s
8 πŸ”₯ What is the normal temperature of the human body? 37Β°C / 98.6Β°F
9 ⭐ Which is the hardest natural substance? Diamond
10 ⭐ What is the chemical formula of water? Hβ‚‚O
11 πŸ”₯ Which gas is most abundant in Earth's atmosphere? Nitrogen (78%)
12 πŸ”₯ Which is the largest gland in the human body? Liver
13 ⭐ Which is the largest organ in the human body? Skin
14 ⭐ Smallest bone in the human body? Stapes (in the ear)
15 πŸ”₯ Longest bone in the human body? Femur (thigh bone)
16 πŸ’‘ DNA stands for? Deoxyribonucleic Acid
17 ⭐ Father of Indian Space Programme? Dr. Vikram Sarabhai
18 πŸ’‘ Which planet is called the "Red Planet"? Mars
19 ⭐ Newton's first law is also called? Law of Inertia
20 πŸ”₯ Chandrayaan-1 (2008) made which major discovery? Presence of water (ice) on Moon

17. Indian Geography

# Question Answer
1 πŸ”₯ Which is the longest river in India? Ganga
2 πŸ”₯ Which river originates from Gangotri Glacier? Ganga
3 πŸ”₯ Brahmaputra River originates from? Tibet (Angsi Glacier)
4 πŸ”₯ Narmada River flows into which sea? Arabian Sea
5 πŸ”₯ Which is the oldest mountain range in India? Aravalli
6 πŸ”₯ Which is the largest desert in India? Thar Desert (Rajasthan)
7 ⭐ Nathu La Pass connects India to? China (in Sikkim)
8 ⭐ Zoji La Pass connects? Srinagar to Leh
9 πŸ”₯ Which river is called the "Sorrow of Bihar"? Kosi River
10 πŸ”₯ Godavari River originates from? Nashik, Maharashtra
11 ⭐ Cauvery River originates from? Coorg, Karnataka
12 πŸ’‘ Which is the highest peak entirely within India? Kangchenjunga (Sikkim)
13 πŸ”₯ Deccan Plateau is made up of? Volcanic basalt (Trap)
14 ⭐ Western Ghats runs along which coast? West Coast of India
15 πŸ’‘ Sundarbans delta is formed by which rivers? Ganga & Brahmaputra
16 ⭐ India shares its longest border with which country? Bangladesh
17 πŸ”₯ India's total coastline length (approx)? 7,516 km
18 πŸ’‘ Which state shares borders with maximum states? Uttar Pradesh (8 states)
19 ⭐ Chilika Lake is in which state? Odisha
20 πŸ”₯ Which is the largest river island in the world? Majuli (Assam)

18. Indian History

# Question Answer
1 πŸ”₯ The Indian National Congress was founded in which year? 1885
2 πŸ”₯ Who founded the Indian National Congress? A.O. Hume
3 πŸ”₯ Dandi March was conducted in which year? 1930
4 πŸ”₯ Quit India Movement was launched in which year? 1942
5 πŸ”₯ Jallianwala Bagh massacre happened in which year? 1919
6 πŸ”₯ Who was the commander responsible for Jallianwala Bagh? General Reginald Dyer
7 πŸ”₯ First War of Independence (Sepoy Mutiny) was in? 1857
8 πŸ”₯ When did India gain independence? 15 August 1947
9 ⭐ Battle of Plassey was fought in? 1757 (British vs Nawab Siraj-ud-Daulah)
10 ⭐ Who gave the slogan "Do or Die"? Mahatma Gandhi (Quit India Movement)
11 πŸ”₯ Who gave the slogan "Jai Hind"? Subhas Chandra Bose
12 πŸ”₯ Who gave the slogan "Swaraj is my birthright"? Bal Gangadhar Tilak
13 ⭐ Doctrine of Lapse was introduced by? Lord Dalhousie
14 ⭐ Partition of Bengal (1905) was done by? Lord Curzon
15 πŸ’‘ Simon Commission came to India in? 1928
16 πŸ”₯ Chauri Chaura incident (1922) led to? Withdrawal of Non-Cooperation Movement
17 ⭐ Who founded the Aligarh Muslim University? Sir Syed Ahmad Khan
18 πŸ’‘ Who was the last Mughal Emperor? Bahadur Shah Zafar II
19 πŸ”₯ Ashoka's Dhamma was mainly based on? Non-violence, tolerance, compassion
20 ⭐ The Indus Valley Civilization's main cities? Harappa and Mohenjo-daro


πŸ”’ PART B β€” QUANTITATIVE APTITUDE

πŸ’‘ For Quant: Try to solve yourself first. The answer key follows each set.


19. Number System

# Question Answer
1 πŸ”₯ Which is the smallest prime number? 2
2 πŸ”₯ Which is the only even prime number? 2
3 πŸ”₯ What is the HCF of 12 and 18? 6
4 πŸ”₯ What is the LCM of 4, 6, and 8? 24
5 πŸ”₯ Is 1 a prime number? No
6 ⭐ Which is divisible by 11: 121, 123, 131, 132? 121
7 πŸ”₯ Sum of first 10 natural numbers? 55
8 ⭐ What is the product of HCF and LCM of 8 and 12? 96 (= 8 Γ— 12)
9 πŸ’‘ What remainder does 100 leave when divided by 7? 2
10 πŸ”₯ How many prime numbers are between 1 and 20? 8 (2,3,5,7,11,13,17,19)
11 ⭐ What is √144? 12
12 ⭐ If a number is divisible by both 4 and 9, it is divisible by? 36
13 πŸ’‘ What is the unit digit of 7⁴? 1
14 πŸ”₯ What is 2⁸? 256
15 ⭐ Which of these is NOT a composite number: 4, 6, 9, 11? 11 (it's prime)

20. Average

# Question Answer
1 πŸ”₯ Average of first 10 natural numbers? 5.5
2 πŸ”₯ Average of first 10 even numbers? 11
3 πŸ”₯ Average of first 10 odd numbers? 10
4 πŸ”₯ A class of 30 has an average score of 60. A new student joins with a score of 90. New average? (30Γ—60+90)/31 = 1890/31 β‰ˆ 60.97
5 ⭐ A batsman scored 80 runs in his 10th inning and his average increased by 4. What was his average before? 80 - (4Γ—10) = 80 - 40 = 40
6 ⭐ The average of 5 consecutive numbers is 18. The largest number is? 20
7 πŸ’‘ Average of 4 numbers is 25. One number is excluded and average becomes 20. The excluded number is? (4Γ—25) - (3Γ—20) = 100 - 60 = 40
8 πŸ”₯ If average of A and B is 40, average of B and C is 50, and average of A and C is 60, then average of A, B, C = ? (40+50+60)/2 Γ· 3 = 150/3 = 50
9 ⭐ Average speed if first half covered at 60 km/h and second half at 40 km/h? 2Γ—60Γ—40/(60+40) = 48 km/h

21. Percentage

# Question Answer
1 πŸ”₯ What is 25% of 200? 50
2 πŸ”₯ What % is 40 of 200? 20%
3 πŸ”₯ A's salary is 20% more than B's. B's salary is what % less than A's? 20/120 Γ— 100 = 16.67%
4 πŸ”₯ Price increased by 25%. By what % should consumption decrease to keep expenditure same? 25/125 Γ— 100 = 20%
5 πŸ”₯ If 40% of X = 60% of Y, find X:Y? X/Y = 60/40 = 3:2
6 ⭐ Price of an item is increased by 10% and then decreased by 10%. Net change? -1% (loss of 1%)
7 ⭐ If 20% of (A+B) = 30% of (A-B), find A:B? 5:1
8 πŸ’‘ Population of a town is 10,000. It increases by 10% in year 1 and decreases by 10% in year 2. Final population? 10000 Γ— 1.1 Γ— 0.9 = 9900
9 πŸ”₯ A student scored 180 out of 300. Percentage scored? 60%
10 ⭐ 60% of students in a class are girls. If total students = 40, how many boys? 40% of 40 = 16 boys
11 πŸ’‘ If 15% of X = 20% of Y = 12% of Z, find X:Y:Z? 4:3:5

22. Profit & Loss

# Question Answer
1 πŸ”₯ Article bought for β‚Ή500, sold for β‚Ή600. Profit %? 20%
2 πŸ”₯ SP = β‚Ή720, Profit = 20%. Find CP? CP = 720 Γ— 100/120 = β‚Ή600
3 πŸ”₯ CP = β‚Ή400, Loss = 10%. Find SP? SP = 400 Γ— 90/100 = β‚Ή360
4 πŸ”₯ Two articles sold at β‚Ή99 each β€” one at 10% profit and other at 10% loss. Net result? Loss of 1% (always loss when same SP and same %)
5 ⭐ A trader marks price 25% above CP and gives 20% discount. Profit %? SP = CP Γ— 1.25 Γ— 0.8 = CP Γ— 1.0 β†’ No profit, no loss
6 ⭐ Marked price = β‚Ή1200, Discount = 15%. Find SP? SP = 1200 Γ— 85/100 = β‚Ή1020
7 πŸ’‘ A dishonest merchant uses a 900g weight instead of 1kg. Profit%? 100/900 Γ— 100 β‰ˆ 11.11%
8 πŸ”₯ An article sold at 15% profit gives β‚Ή45 more than sold at 10% profit. Find CP? 5% of CP = 45 β†’ CP = β‚Ή900
9 ⭐ If CP of 12 items = SP of 9 items. Profit %? (12-9)/9 Γ— 100 = 33.33%
10 πŸ’‘ SP = β‚Ή840 results in 40% profit. At what price should it be sold for 10% loss? CP = 840/1.4 = 600; 10% loss β†’ 600 Γ— 0.9 = β‚Ή540

23. Simple & Compound Interest

# Question Answer
1 πŸ”₯ SI on β‚Ή2000 at 5% per annum for 3 years? SI = 2000Γ—5Γ—3/100 = β‚Ή300
2 πŸ”₯ In how many years will β‚Ή1000 double at 10% SI? 10 years
3 πŸ”₯ CI on β‚Ή1000 at 10% for 2 years (annual compounding)? CI = 1000(1.1)Β² - 1000 = β‚Ή210
4 πŸ”₯ Difference between CI and SI on β‚Ή5000 at 10% for 2 years? Diff = P(r/100)Β² = 5000Γ—(0.1)Β² = β‚Ή50
5 ⭐ CI on β‚Ή800 at 5% for 2 years? 800Γ—(1.05)Β²-800 = 882-800 = β‚Ή82
6 ⭐ Amount on β‚Ή4000 at 10% CI for 2 years? 4000 Γ— 1.21 = β‚Ή4840
7 πŸ’‘ At what rate of SI will a sum double itself in 8 years? R = 100/T = 100/8 = 12.5%
8 πŸ”₯ SI for 4 years is β‚Ή960 at 8%. Find principal? P = 960Γ—100/(8Γ—4) = β‚Ή3000
9 ⭐ Sum amounts to β‚Ή1210 in 2 years at 10% CI. Find sum? P = 1210/1.21 = β‚Ή1000
10 πŸ’‘ CI compounded half-yearly: β‚Ή10000 at 10% for 1 year? 10000 Γ— (1.05)Β² = β‚Ή10,250

24. Time & Work / Pipes & Cisterns

# Question Answer
1 πŸ”₯ A can do a job in 10 days, B in 15 days. Together in? (10Γ—15)/(10+15) = 6 days
2 πŸ”₯ A and B together do a job in 6 days. A alone does it in 10 days. B alone in? B = (6Γ—10)/(10-6) = 15 days
3 πŸ”₯ Pipe A fills tank in 6 hrs, B drains in 8 hrs. Both open β€” fill in? Net rate = 1/6 - 1/8 = 1/24; Time = 24 hours
4 ⭐ 15 men complete a work in 20 days. How many men for 10 days? 15Γ—20 = nΓ—10 β†’ n = 30 men
5 ⭐ A can do work in 12 days. After 4 days B joins. They finish in 4 more days. B alone in? A's 8 days work = 8/12 = 2/3; B does 1/3 in 4 days β†’ B = 12 days
6 πŸ’‘ A works twice as fast as B. Together they finish in 12 days. B alone in? A = 2x, B = x β†’ 3x rate β†’ 1/B = x β†’ B = 36 days
7 πŸ”₯ Tap fills tank in 3 hours. There is a hole that empties it in 6 hours. How long to fill? Net = 1/3 - 1/6 = 1/6; Time = 6 hours
8 ⭐ If 6 men and 8 women finish a job in 10 days, and 26 men and 48 women finish it in 2 days, in how many days will 15 men and 20 women finish? 4 days
9 πŸ’‘ A, B, C together do work in 6 days. A and B in 10 days, B and C in 15 days. C alone in? C alone = 30 days

25. Ratio, Proportion & Ages

# Question Answer
1 πŸ”₯ Ratio of A:B = 3:5, B:C = 2:3. Find A:B:C? A:B:C = 6:10:15 = 6:10:15
2 πŸ”₯ Father is 3 times son's age. After 12 years, father is twice. Find present ages? Son = 12, Father = 36
3 πŸ”₯ Ages of A & B are in ratio 3:5. After 4 years ratio = 2:3. Find ages? A = 12, B = 20
4 πŸ”₯ Sum of ages of A and B is 45. 5 years ago ratio was 7:8. Find present ages? A = 21, B = 24
5 ⭐ If 4 years ago A was twice as old as B, and the sum of current ages is 47, find A's age? A = 32, B = 15
6 ⭐ A:B = 2:3, B:C = 4:5. If C = 60, find A? A = 32
7 πŸ’‘ Ratio of boys to girls is 4:3. If 15 girls join, the ratio becomes 1:1. Find total students? Boys = 60, Girls = 45; After 15 girls β†’ 60:60. Total = 120
8 πŸ”₯ Divide β‚Ή1260 in ratio 1:2:3? β‚Ή210 : β‚Ή420 : β‚Ή630
9 ⭐ Present ages of A and B are in ratio 5:4. After 10 years ratio = 7:6. Find present ages? A = 25, B = 20

26. Time, Speed & Distance / Trains / Boats

# Question Answer
1 πŸ”₯ Convert 72 km/h to m/s? 72 Γ— 5/18 = 20 m/s
2 πŸ”₯ A train 200m long passes a pole in 10 sec. Speed in km/h? 200/10 = 20 m/s = 20Γ—18/5 = 72 km/h
3 πŸ”₯ Train 150m long passes a platform 250m long at 45 km/h. Time taken? (150+250) / (45Γ—5/18) = 400/12.5 = 32 sec
4 πŸ”₯ Two trains (200m & 300m) approach each other at 40 & 60 km/h. Time to cross? Relative speed = 100 km/h = 250/9 m/s; Distance = 500m; Time = 18 sec
5 πŸ”₯ Boat's speed in still water = 10 km/h, stream = 2 km/h. Upstream speed? 8 km/h
6 πŸ”₯ Boat downstream = 15 km/h, upstream = 9 km/h. Speed of stream? (15-9)/2 = 3 km/h
7 ⭐ A person covers 600 km at 50 km/h and 400 km at 80 km/h. Average speed? Total distance/Total time = 1000/(12+5) = 1000/17 β‰ˆ 58.8 km/h
8 ⭐ Two persons walk towards each other, 18 km apart. Speeds: 4 km/h and 5 km/h. Meet after? 18/(4+5) = 2 hours
9 πŸ’‘ A thief is 100m ahead of a police. Police runs at 11 km/h, thief at 10 km/h. Time to catch? Relative speed = 1 km/h = 5/18 m/s; Time = 100/(5/18) = 360 seconds = 6 min
10 πŸ’‘ Train crosses a bridge of 500m in 40 sec at 63 km/h. Find train length? Speed = 63Γ—5/18 = 17.5 m/s; Distance = 17.5Γ—40 = 700m; Train = 700-500 = 200m

27. Algebra & Equations

# Question Answer
1 πŸ”₯ If x + 1/x = 3, find xΒ² + 1/xΒ²? (x+1/x)Β² - 2 = 9-2 = 7
2 πŸ”₯ If x - 1/x = 4, find xΒ² + 1/xΒ²? (x-1/x)Β² + 2 = 16+2 = 18
3 πŸ”₯ (a+b)Β² = 100, ab = 20. Find aΒ² + bΒ²? 100 - 2Γ—20 = 60
4 πŸ”₯ (a-b) = 3, ab = 10. Find aΒ² + bΒ²? (a-b)Β² + 2ab = 9+20 = 29
5 ⭐ If x² - 5x + 6 = 0, find values of x? x = 2 or 3
6 ⭐ If 2x + 3y = 12 and x - y = 1, find x and y? x = 3, y = 2
7 πŸ’‘ If aΒ³ + bΒ³ = 35 and a + b = 5, find ab? aΒ³+bΒ³ = (a+b)(aΒ²-ab+bΒ²) β†’ 35 = 5Γ—(25-3ab) β†’ ab = 4
8 πŸ”₯ Simplify: (a+b)Β² - (a-b)Β² = ? 4ab
9 ⭐ Find value of (103)² using identity? (100+3)² = 10000 + 600 + 9 = 10609
10 ⭐ If 2x = 3y = 6z, find 1/x + 1/y - 1/z? 0

28. Mensuration 2D & 3D

# Question Answer
1 πŸ”₯ Area of a square with side 7cm? 49 cmΒ²
2 πŸ”₯ Perimeter of rectangle 12cm Γ— 8cm? 2(12+8) = 40 cm
3 πŸ”₯ Area of circle with radius 7cm? (Ο€=22/7) 22/7 Γ— 49 = 154 cmΒ²
4 πŸ”₯ Volume of cube with side 5cm? 125 cmΒ³
5 πŸ”₯ Volume of cylinder: r=7, h=10? Ο€ Γ— 49 Γ— 10 = 1540 cmΒ³
6 πŸ”₯ Area of equilateral triangle with side 6cm? (√3/4) Γ— 36 = 9√3 β‰ˆ 15.6 cmΒ²
7 ⭐ Diagonal of a square with area 144 cmΒ²? Side = 12; Diagonal = 12√2 β‰ˆ 16.97 cm
8 ⭐ If radius of a circle doubles, area becomes? 4 times
9 πŸ’‘ Volume of cone: r=7cm, h=9cm? (1/3)Γ—(22/7)Γ—49Γ—9 = 462 cmΒ³
10 πŸ”₯ Surface area of sphere with r=7cm? 4Ο€rΒ² = 4Γ—22/7Γ—49 = 616 cmΒ²
11 πŸ’‘ A room 10mΓ—8mΓ—5m. Volume? 400 mΒ³
12 ⭐ If all sides of a rectangle are doubled, area becomes? 4 times
13 πŸ”₯ Circumference of circle with diameter 14cm? π×14 = 22/7Γ—14 = 44 cm

29. Geometry

# Question Answer
1 πŸ”₯ Sum of interior angles of a triangle? 180Β°
2 πŸ”₯ Sum of interior angles of a quadrilateral? 360Β°
3 πŸ”₯ In a right triangle: legs 3 and 4. Hypotenuse? 5 (3-4-5 triplet)
4 πŸ”₯ Angle in a semicircle is? 90Β°
5 πŸ”₯ Angle at centre = _____ Γ— angle at circumference? 2 times
6 ⭐ Two parallel lines cut by a transversal β€” alternate interior angles are? Equal
7 ⭐ Co-interior (same-side interior) angles are? Supplementary (sum = 180°)
8 ⭐ Triangle with sides 5, 12, 13 β€” type? Right-angled (5Β²+12Β²=13Β²)
9 πŸ’‘ If two sides of a triangle are 7 and 10, what is the range of the third side? 3 < x < 17
10 πŸ”₯ Exterior angle of a triangle = sum of? Two non-adjacent interior angles
11 ⭐ Number of diagonals in a hexagon? n(n-3)/2 = 6Γ—3/2 = 9
12 πŸ’‘ Sum of interior angles of a hexagon? (6-2)Γ—180 = 720Β°
13 πŸ”₯ Tangent to a circle is _______ to the radius at the point of contact? Perpendicular

30. Permutation & Combination

# Question Answer
1 πŸ”₯ Value of 5!? 120
2 πŸ”₯ In how many ways can 4 books be arranged on a shelf? 4! = 24
3 πŸ”₯ How many ways to select 3 from 7 people? C(7,3) = 35
4 πŸ”₯ In how many ways can 5 people sit in a circle? (5-1)! = 24
5 ⭐ How many 3-letter words from letters of MATH (no repetition)? P(4,3) = 24
6 ⭐ A committee of 2 men & 3 women from 5 men and 6 women? C(5,2)Γ—C(6,3) = 10Γ—20 = 200
7 πŸ’‘ How many ways to arrange "MISSISSIPPI"? 11!/(4!Γ—4!Γ—2!) = 34650
8 πŸ”₯ How many ways can 3 prizes be given to 5 students (one each)? P(5,3) = 60
9 ⭐ Value of C(10,3)? 10Γ—9Γ—8/(3Γ—2Γ—1) = 120
10 πŸ’‘ Number of handshakes among 10 people? C(10,2) = 45
11 πŸ”₯ How many 3-digit numbers can be formed using 1,2,3,4,5 without repetition? P(5,3) = 60

31. Probability

# Question Answer
1 πŸ”₯ P(getting head when tossing a coin)? 1/2
2 πŸ”₯ P(getting 6 when rolling a die)? 1/6
3 πŸ”₯ P(sum = 7 when two dice are rolled)? 6/36 = 1/6
4 πŸ”₯ P(drawing a king from a deck of 52)? 4/52 = 1/13
5 πŸ”₯ P(drawing a red card from a deck)? 26/52 = 1/2
6 ⭐ P(getting at least one head when 2 coins tossed)? 1 - P(no head) = 1 - 1/4 = 3/4
7 ⭐ P(getting exactly 2 heads when 3 coins tossed)? C(3,2)/8 = 3/8
8 πŸ’‘ P(sum > 10 when two dice rolled)? Favourable: (5,6),(6,5),(6,6) = 3/36 = 1/12
9 πŸ”₯ P(drawing a face card from deck)? 12/52 = 3/13
10 ⭐ A bag has 3 red, 4 blue, 2 green balls. P(drawing red)? 3/9 = 1/3
11 πŸ’‘ Two cards drawn. P(both aces)? C(4,2)/C(52,2) = 6/1326 = 1/221
12 πŸ”₯ P(drawing an ace or a king)? (4+4)/52 = 8/52 = 2/13

32. Statistics

# Question Answer
1 πŸ”₯ Mean of 5, 10, 15, 20, 25? 75/5 = 15
2 πŸ”₯ Median of 3, 7, 9, 12, 18? 9 (middle value)
3 πŸ”₯ Mode of 2, 3, 3, 4, 4, 4, 5? 4 (appears most)
4 πŸ”₯ Median of 4, 6, 8, 10 (even count)? (6+8)/2 = 7
5 ⭐ Range of 5, 8, 2, 14, 11? 14 - 2 = 12
6 ⭐ If mean of 6 numbers is 10 and one number (16) is removed, new mean? New mean = (60-16)/5 = 44/5 = 8.8
7 πŸ’‘ Mode = 3 Median - 2 Mean. If Mean = 10, Median = 12, Mode = ? 3Γ—12 - 2Γ—10 = 36-20 = 16
8 πŸ”₯ Mean of first 5 multiples of 3? (3+6+9+12+15)/5 = 45/5 = 9
9 ⭐ Standard deviation is the _____ of variance? Square root
10 πŸ’‘ Mean of 10 numbers is 15. Each number increased by 5. New mean? 20

33. Clock & Calendars

# Question Answer
1 πŸ”₯ Angle between hour and minute hand at 3:00? 90Β°
2 πŸ”₯ Angle between hands at 6:00? 180Β°
3 πŸ”₯ Angle between hands at 12:00? 0Β°
4 πŸ”₯ Angle between hands at 3:30?
5 ⭐ Angle between hands at 4:20?
6 πŸ”₯ How many times do clock hands coincide in 12 hours? 11 times
7 ⭐ If Jan 1 is Monday, what day is Feb 1? 31 days β†’ 31 mod 7 = 3 β†’ Thursday
8 πŸ”₯ Is 2100 a leap year? No (century year not divisible by 400)
9 ⭐ Is 2000 a leap year? Yes (divisible by 400)
10 πŸ’‘ If today is Wednesday, what day will it be after 100 days? 100 mod 7 = 2; Wed + 2 = Friday
11 πŸ”₯ A clock gains 5 minutes per day. At what time will it show 10:00 if it shows 10:00 now? After 12Γ—24Γ—60/5 = 3456 minutes = 2.4 days

34. Sets & Venn Diagrams

# Question Answer
1 πŸ”₯ In a class, 40 like cricket, 30 like football, 10 like both. How many like at least one? 40+30-10 = 60
2 πŸ”₯ n(A) = 30, n(B) = 25, n(AβˆͺB) = 45. Find n(A∩B)? 30+25-45 = 10
3 ⭐ In a group of 60: 30 read English, 25 read Hindi, 15 read both. Read neither? 60 - (30+25-15) = 60-40 = 20
4 ⭐ n(A only) = ? n(A) - n(A∩B)
5 πŸ’‘ In a survey of 100 people: 60 like Tea, 50 like Coffee, 30 like both. Like neither? 100-(60+50-30) = 20
6 πŸ”₯ A = {1,2,3,4}, B = {3,4,5,6}. Find A∩B? {3,4}
7 ⭐ A = {1,2,3}, B = {2,3,4}. AβˆͺB = ? {1,2,3,4}
8 πŸ’‘ Three sets: n(A)=20, n(B)=18, n(C)=15, n(A∩B)=9, n(B∩C)=7, n(A∩C)=5, n(A∩B∩C)=3. n(AβˆͺBβˆͺC)=? 20+18+15-9-7-5+3 = 35

35. Alligation & Mixture

# Question Answer
1 πŸ”₯ Mix milk at β‚Ή25/L and β‚Ή35/L to get β‚Ή28/L. Ratio? (35-28):(28-25) = 7:3
2 πŸ”₯ 40L mixture of milk & water in ratio 3:1. Water to be added for ratio 1:1? Milk = 30L, Water = 10L; Add 20L water β†’ 20L
3 ⭐ A 60L solution has 30% acid. How much water to add to make it 20% acid? Acid = 18L; 18 = 20% of (60+x) β†’ x = 30L
4 ⭐ Container with 50L milk. 10L removed & replaced with water. Repeated 3 times. Milk remaining? 50Γ—(40/50)Β³ = 50Γ—(4/5)Β³ = 50Γ—64/125 = 25.6L
5 πŸ’‘ Two types of rice: β‚Ή40/kg and β‚Ή60/kg mixed in ratio 2:3. Cost of mixture per kg? (2Γ—40 + 3Γ—60)/5 = (80+180)/5 = β‚Ή52/kg
6 πŸ”₯ A milkman mixes water (cost 0) with milk at β‚Ή30/L to sell at β‚Ή25/L with 25% profit. Ratio of water:milk? CP to get 25% profit on β‚Ή25 β†’ CP = 20; Ratio = (30-20):(20-0) = 1:2 β†’ water:milk = 1:2

πŸ† RAPID FIRE β€” 50 MUST-KNOW FACTS

⚑ These facts have appeared repeatedly across CUET and similar exams.

# Fact
1 India became republic on 26 January 1950
2 Father of the Nation: Mahatma Gandhi
3 India's first PM: Jawaharlal Nehru
4 Smallest prime: 2
5 Article 370 abrogated in 2019
6 Chandrayaan-3 landed in 2023 (South Pole)
7 HCF Γ— LCM = Product of two numbers
8 Average speed (equal distance) = 2S₁Sβ‚‚/(S₁+Sβ‚‚)
9 UNESCO HQ: Paris, France
10 India shares longest border with Bangladesh
11 Bihu belongs to Assam
12 Kathakali belongs to Kerala
13 C.V. Raman got Nobel in Physics (1930)
14 First NP in India: Jim Corbett (1936)
15 Gir NP = Asiatic Lions (Gujarat)
16 SI formula: PTR/100
17 Profit% = (Profit/CP)Γ—100
18 Sum of angles in triangle = 180Β°
19 Pythagoras: aΒ²+bΒ²=cΒ²
20 P(E) + P(E') = 1
21 Mode = 3 Median - 2 Mean (Empirical relation)
22 Largest organ: Skin
23 Longest bone: Femur
24 DNA = Deoxyribonucleic Acid
25 Speed of light = 3Γ—10⁸ m/s
26 National river of India: Ganga
27 Oldest mountain range in India: Aravalli
28 India's national game: Field Hockey
29 Abhinav Bindra won Olympic gold in Shooting (2008)
30 Booker Prize: "The God of Small Things" β€” Arundhati Roy
31 √(Variance) = Standard Deviation
32 nCr = n! / [r!(n-r)!]
33 Circular arrangement of n = (n-1)!
34 Tangent βŠ₯ radius at point of contact
35 Volume of sphere = (4/3)Ο€rΒ³
36 Kaziranga NP = One-horned Rhino (Assam)
37 India's first satellite: Aryabhata (1975)
38 First Indian in space: Rakesh Sharma (1984)
39 Simon Commission: 1928
40 Quit India Movement: 1942
41 India's first war of independence: 1857
42 Jallianwala Bagh: 1919
43 WTO HQ: Geneva
44 SAARC HQ: Kathmandu
45 Nile is the longest river in the world
46 Russia is the largest country by area
47 Pacific is the largest and deepest ocean
48 "Do or Die" slogan: Mahatma Gandhi
49 "Jai Hind" slogan: Subhas Chandra Bose
50 Bharat Ratna first given in: 1954

πŸ’– Best of luck! You've prepared well. Trust yourself, stay calm, and go get that score! 🌟

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