C Programming

Q-1.Write a C program to input two numbers from user and calculate their sum. C program to add two numbers and display their sum as output. How to add two numbers in C programming. 

Q-2. Write a C program to input two numbers and perform all arithmetic operations. How to perform allarithmetic operation between two numbers in C programming. C program to find sum, difference,product, quotient and modulus of two given numbers.

Q-3.Write a C program to input radius of a circle from user and find diameter, circumference and area of the circle. How to calculate diameter, circumference and area of a circle whose radius is given by user in C programming. Logic to find diameter, circumference and area of a circle in C.

Q-4.Write a C program to swap the values of two integer variables using extra variable.