Reverse.c

#include<stdio.h>

int main()
{
    int x, y;

    printf("Enter 5 digit No. =>");
    scanf("%d", &x);
    printf("Reverse of the No. %d is =>", x);

    while(x>0)
    {
         y = x % 10;
         printf("%d", y);
         x /= 10;
    }

    return 0;
}

VowelCons.c

#include<stdio.h>

int main()
{
    char Alpha;

    printf("Enter an Aplphabate =>");
    scanf("%c",&Alpha);

    if (Alpha == 'a' || Alpha == 'e' || Alpha == 'i' || Alpha == 'o' || Alpha == 'u' || 
            Alpha == 'A' || Alpha == 'E' || Alpha == 'I' || Alpha == 'O' || Alpha == 'U')
    {
        printf("%c is Vowel!\n", Alpha);
    }
    else
    {
        printf("%c is Consonent!\n", Alpha);
    }

    return 0;

}