C language- Variables, Constants and Keywords Basic tuts- First program in c introducing variables Basic program in c- taking input Defining variables Exercises Ex1- create a program to add two numbers Q1- Write a C program to calculate area of a rectangle a) Using hard coded inputs b) Using inputs supplied by the user Q2-Calculate the area of a circle Q3.-Calculate the volume of a cylinder of given radius and height Q4. write a program to convert celcius to fahrenheit Q5-write a program to calculate simple interest for a set of values representing principal, no of years and rate of interest