C Answers

Write a program to count number of digits in a decimal number.

Write a program to reverse a number.

Write a program to calculate the power of a number. The number and its power are input from user.

Write a program to display English alphabets from A to Z.

Write a program that reads a positive integer and checks if it is a prime.

Write a program that reads a positive integer and computes the factorial

Print sum of first 100 integers. (With data validation)

Write a program to make a simple calculator using switch-case. The calculator takes the operation (+ or – or * or /) and takes the two input arguments and print the results.

Write a program that reads a student grade percentage and prints "Excellent" if his grade is greater than or equal 85, "Very Good" for 75 or greater; "Good" for 65, "Pass" for 50, "Fail" for less than 50.

Write a program that reads a positive integer and checks if it is a perfect square