newly paired problem

newlypair.rb

questions = [{:"What is your name?" => "Arthur"}, {:"What is your quest?" => "The holy grail"},
            {:"What is the airspeed velocity of an unlader swallow?" => "African or European?"}]
points = 0
point_value = 1
i = 0

while questions[i] != nil
  puts questions[i].keys
  answer = gets.chomp.downcase
  if answer == questions[i].values[0].downcase
    points += point_value
    puts "You got it right and you got a point"
  else
    puts "You go it wrong"
  end
  i += 1
end

if points != 0
  puts "You got #{points} points"
else
  puts "You did not earn any points"
end