1.Write a program to find the area of circumference of a circle for a given radius.

2.Write a program to find the largest of given three numbers.

3.Write a program to print the result for a given percentage.

4.Write a program to demonstrate library functions in math.h

5.Write a program to find the roots of quadratic equation using switch case.

6.Write a program to print the sum of given numbers until user press 999

7.Write a program to print the sum of digit for a given number

8.Write a program to print the reverse of a given number

9.Write a program to check the given number is palindrome (or) not

10.Write a program to check the given number is prime number or not

11.Write a program to print all the prime numbers from 1 to n number

12.Write a program to find the average of all N array elements

13.Write a program to perform addition and substraction of matrix using one dimensional array

14.Write a program to accept and display and find the trace of a square matrix

15.Write a program to find the length of a given string without using built in functions

16.Write a program to demonstrate string functions

17.Write a program to demonstrate pointers

18. Write a program to check the given number is prime number or not using isprime()

19.Write a Program to read and display addition of two matrices using function

20.Write a program to read and display multiplication of two matrices using functions

21.Write a program to swap two numbers using pointers(call by address)

22.Write a program to read and find the number of vowels, consonants, digits, special characters and white spaces in a given string.

23.Write a program to accept and display n student details using structures of array

24.Write a program to demonstrate the difference between structure and union