30 Easy C++ Programming Questions on the Do-while loop
Q 1. Write a program to Print numbers from 1 to 5
Expected Output:
1 2 3 4 5
Q 2. Print even numbers from 2 to 10
Expected Output:
2 4 6 8 10
Q 3. Sum of numbers from 1 to 10
Expected Output:
Sum = 55
Q 4. Print multiplication table of 5
Expected Output:
5 X 1 = 5
5 X 2 = 10
...
5 X 10 = 50
Q 5. Reverse countdown from 10 to 1
Expected Output:
10 9 8 7 6 5 4 3 2 1
Q 6. Find factorial of a number (e.g., 5)
Expected Output:
Factorial = 120
Q 7. Print first 5 odd numbers
Expected Output:
1 3 5 7 9
Q 8. Sum of first 5 even numbers
Expected Output:
Sum = 30
Q 9. Find the first number divisible by 7 greater than 10
Expected Output:
First number = 14
Q 10. Print ASCII values of characters from 'A' to 'E'
Expected Output:
A = 65
B = 66
C = 67
D = 68
E = 69
Q 11. Find sum of digits of a number (e.g., 1234)
Expected Output:
Sum of digits = 10
Q 12. Check if a number is a palindrome (e.g., 121)
Expected Output:
121 is a palindrome
Q 13. Count the number of digits in a number (e.g., 7890)
Expected Output:
Number of digits = 4
Q 14. Find the greatest common divisor (GCD) of two numbers (e.g., 24 and 36)
Expected Output:
GCD = 12
Q 15. Convert a number to binary (e.g., 5)
Expected Output:
Binary = 101
Q 16. Find the power of a number (e.g., 2^3)
Expected Output:
Result = 8
Q 17. Sum of digits of a number until a single digit is obtained (e.g., 9875)
Expected Output:
Single digit sum = 2
Q 18. Print Fibonacci series up to 10 terms
Expected Output:
0 1 1 2 3 5 8 13 21 34
Q 19. Find the sum of the first 5 prime numbers
Expected Output:
Sum = 28
Q 20. Print a right-angled triangle of stars (5 levels)
Expected Output:
*
**
***
****
*****
Q 21. Reverse the digits of a number (e.g., 12345)
Expected Output:
Reversed number = 54321
Q 22. Find the largest digit in a number (e.g., 68952)
Expected Output:
Largest digit = 9
Q 23. Find the sum of squares of digits of a number (e.g., 123)
Expected Output:
Sum of squares = 14
Q 24. Check if a number is Armstrong (e.g., 153)
Expected Output:
153 is an Armstrong number
Q 25. Print the sum of the series 1 + 1/2 + 1/3 + ... + 1/n (n=5)
Expected Output:
Sum of series = 2.28333
Q 26. Check if a number is prime (e.g., 29)
Expected Output:
29 is a prime number
Q 27. Calculate compound interest for 3 years (Principal = 1000, Rate = 5%)
Expected Output:
Compound interest = 157.625
Q 28. Find the product of first 5 positive integers
Expected Output:
Product = 120
Q 29. Calculate sum of cube of first 4 numbers
Expected Output:
Sum of cubes = 100
Q 30. Print numbers from 1 to 10 using a single statement
Expected Output:
1 2 3 4 5 6 7 8 9 10
Bikki Singh
Hi, I am the instructor of TechnoVlogs. I have a strong love for programming and enjoy teaching through practical examples. I made this site to help people improve their coding skills by solving real-world problems. With years of experience, my goal is to make learning programming easy and fun for everyone. Let's learn and grow together!