1. find the greatest number among three numbers
2. find out whether a given year is a leap year or not 
3. Check whether a given number is even or odd
4. program to check whether a character is an alphabet or not
5. program to check vowel or consonant
6. Program to print a number of days in a month
7. program to check whether a number is a prime number or not
8. program to enter student marks and find percentage and grade
9. program to check whether a given number is positive or negative
10. program to read the age of a candidate and determine whether it is eligible for casting his/her own vote
11.  Write a program to accept percentage from the user and display the grade according to the following criteria:
         Marks                              Grade
         > 90                                 A
         > 80 and <= 90                       B
         >= 60 and <= 80                      C
         below 60                             D
12. Write a program to accept the cost price of a bike and display the road tax to be paid according to the following criteria :
          Cost price (in Rs)                          Tax
        > 100000                                      15 %
        > 50000 and <= 100000                         10%
        <= 50000                                       5%
13. Write a program to accept a number from 1 to 7 and display the name of the day like 1 for Sunday , 2 for Monday and so on.
14. Check whether the triangle is equilateral, scalene, or isosceles
15. program to convert temperature from Fahrenheit to Celsius and Celsius to Fahrenheit