Loop

9.1. Write a program that read a positive integer and display its factorial.

9.2. Write a program that read any positive integer and display sum of its digit.

9.3. Write a program that read any positive integer and display reverse.

9.4. Write a program that read any decimal number and display equivalent binary number.

9.5. Write a program that read any decimal number and display equivalent octal number.

9.6. Write a program that read any decimal number and display equivalent hexadecimal number.

9.7. Write a program that read two numbers and display GCD(greatest common divisor).

9.8. Write a program that read two numbers and display LCM(least common multiple).

9.9 Write a program that read two numbers(x,y) and display x'(x to the power y).

9.10. Write a program that read two numbers (n,r) and display nPr(Permutation).

9.11. Write a program that read two numbers(n,r) and display nPr(Permutation).

9.12. Write a program that read two numbers(n,r) and display nPr(Permutation).

9.13. Write a program that read two numbers(n,r) and display nCr(Combination).

9.14. Write a program that read two numbers(n,r) and display nCr(Combination).

9.15. Write a program that read two numbers in,r) and display nCr(Combination).

9.16. Write a program that read two numbers(n,r) and display nCr(Combination).

9.17. Write a program that read any integer and its digital root.

9.18. Write a program that read any integer and test prime or not prime.

9.19. Write a program that read any integer and test prime.

9.20. Write a program that read any integer and test prime or not prime.

9.21. Write a program that read any integer and test prime any test prime or not prime .

9.22. Write a program that read any integer and test prime or not prime.

9.23. Write a program that read any integer and test prime or not prime.

9.24. Write a program that print all prime numbers from 1 to n.

9.25. Write a program that print all prime numbers from m to n(m>n).

9.26. Write a program that count total prime numbers from 1 to n.

9.27. Write a program that displays first n prime numbers.

9.28. Write a program that print first n Fibonacci numbers.

9.29. Write a program that prints all Fibonacci numbers from 1 to n.

9.30. Write a program that a number Fibonacci or not Fibonacci.