🔹 🟢 Easy Level (1–10)

1. Check if a number is positive or negative
2. Check if a number is even or odd
3. Check if a person is eligible to vote (18+)
4. Find the largest of two numbers
5. Print numbers from 1 to 10 using for loop
6. Print numbers from 10 to 1 (reverse)
7. Print even numbers from 1 to 20
8. Print odd numbers from 1 to 20
9. Take a number and print its square
10. Check if a number is divisible by 5

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🔹 🟡 Medium Level (11–20)

11. Find the largest of three numbers
12. Check if a number is multiple of 3 and 5
13. Print numbers from 1 to N (user input)
14. Find the sum of first N natural numbers
15. Print the multiplication table of a number
16. Count numbers from 1 to 50 divisible by 7
17. Reverse a number (e.g., 123 → 321)
18. Count digits in a number
19. Check if a number is palindrome
20. Print this pattern:

*
**
***
****
*****

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🔹 🔴 Hard Level (21–30)

21. Find the factorial of a number
22. Check if a number is prime
23. Print all prime numbers from 1 to 100
24. Generate Fibonacci series up to N terms
25. Print this pattern:

1
12
123
1234
12345

26. Find the sum of digits of a number
27. Find the largest digit in a number
28. Create a simple calculator using switch ( + – * / )
29. Guessing game with limited attempts (5 tries)
30. Print this pattern:

*****
****
***
**
*

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🎯 Bonus Challenge (for smart students)

👉 FizzBuzz (very popular interview question)

• Print numbers 1–50
• If divisible by 3 → “Fizz”
• If divisible by 5 → “Buzz”
• If both → “FizzBuzz”