1.What is a variable? How are the variables declared in C? 2. What is the signifi cance of & symbol? Illustrate with an example. 3. List the different types of control statements in C. 4. Give the...

1.What is a variable? How are the variables declared in C? 2. What is the signifi cance of & symbol? Illustrate with an example. 3. List the different types of control statements in C.

4. Give the output of the following code:

5. Write a program in C to fi nd the value of y using the relation y = x2 + 2x – 1. 6. Write a program in C to fi nd the sum and the average of three numbers. 7. Write a program in C to calculate simple interest. 8. Write a program in C to convert the temperature from 0C to 0F.