30 Easy C++ Programming Questions on the topic For loop
Q 1. Print numbers from 1 to 10
Expected Output:
1 2 3 4 5 6 7 8 9 10
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 * 1 = 5
5 * 2 = 10
...
5 * 10 = 50
Q 5. Print numbers from 10 to 1 in reverse
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. Print all numbers divisible by 3 between 1 and 30
Expected Output:
3 6 9 12 15 18 21 24 27 30
Q 10. Print the squares of numbers from 1 to 5
Expected Output:
1 4 9 16 25
Q 11. Sum of squares of first 5 numbers
Expected Output:
Sum of squares = 55
Q 12. Find the product of first 5 numbers
Expected Output:
Product = 120
Q 13. Find the sum of digits of a number (e.g., 1234)
Expected Output:
Sum of digits = 10
Q 14. Print numbers from 1 to 10 skipping multiples of 3
Expected Output:
1 2 4 5 7 8 10
Q 15. Check if a number is prime (e.g., 29)
Expected Output:
29 is a prime number
Q 16. Print first 10 terms of the Fibonacci series
Expected Output:
0 1 1 2 3 5 8 13 21 34
Q 17. Print a right-angled triangle of stars (5 levels)
Expected Output:
*
* *
* * *
* * * *
* * * * *
Q 18. Find the sum of the series 1 + 1/2 + 1/3 + ... + 1/n (n=5)
Expected Output:
Sum of series = 2.28333
Q 19. Reverse the digits of a number (e.g., 16805)
Expected Output:
Reversed number = 50861
Q 20. Find the GCD of two numbers (e.g., 24 and 36)
Expected Output:
GCD = 12
Q 21. Print the first 10 multiples of a number (e.g., 7)
Expected Output:
7 14 21 28 35 42 49 56 63 70
Q 22. Calculate the power of a number (e.g., 3^4)
Expected Output:
3^4 = 81
Q 23. Count the number of digits in a number (e.g., 54321)
Expected Output:
Number of digits = 5
Q 24. Print numbers from 1 to 50 but skip multiples of 5
Expected Output:
1 2 3 4 6 7 8 9 11 12 13 14 16 ... 49
Q 25. Find the sum of the first 10 odd numbers
Expected Output:
Sum = 100
Q 26. Print ASCII values of characters 'A' to 'Z'
Expected Output:
A = 65
B = 66
...
Z = 90
Q 27. Reverse an array of integers (e.g., {1, 2, 3, 4, 5})
Expected Output:
5 4 3 2 1
Q 28. Find the average of 5 numbers input by the user
Expected Output:
(Example input: 1 2 3 4 5)
Average = 3
Q 29. Find the sum of digits of all elements in an array (e.g., {12, 34, 56})
Expected Output:
Sum of digits = 21
Q 30. Find the sum of cubes of the first 5 natural numbers
Expected Output:
Sum of cubes = 225
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!