Topic: mathematics-problem / Level: beginner

• 1. Write a program to find the sum of the first n natural numbers.
• 2. Create a function to check if a given number is prime.
• 3. Implement a program to calculate the factorial of a number using recursion.
• 4. Write a program to find the greatest common divisor (GCD) of two numbers.
• 5. Write a function to generate the Fibonacci series up to a given number of terms.
• 6. Create a program to determine if a number is even or odd.
• 7. Write a function to calculate the sum of the digits of a number.
• 8. Implement a program to check if a string is a palindrome.
• 9. Write a program to find the minimum and maximum of three numbers.
• 10. Create a function to find the area of a circle given its radius.
• 11. Write a program to calculate the perimeter of a rectangle.
• 12. Implement a function to check if a number is a perfect square.
• 13. Create a program to calculate the average of a set of numbers.
• 14. Write a program to convert a temperature from Celsius to Fahrenheit.
• 15. Implement a program to find the cube of a number without using the pow function.
• 16. Write a function to generate the first n prime numbers.
• 17. Create a program to find the sum of the first n odd numbers.
• 18. Write a program to check if a year is a leap year.
• 19. Implement a function to find the factorial of a number using iteration.
• 20. Create a program to count the number of vowels in a string.
• 21. Write a program to reverse the digits of an integer.
• 22. Implement a program to find the number of digits in a number.
• 23. Create a function to compute the LCM of two numbers.
• 24. Write a program to find the largest digit in a number.
• 25. Implement a function to calculate the sum of the first n even numbers.
• 26. Create a program to print the multiplication table of a number.
• 27. Write a function to find the first n Fibonacci numbers.
• 28. Implement a program to check if two strings are anagrams.
• 29. Create a function to find the number of occurrences of a specific character in a string.
• 30. Write a program to calculate the distance between two points in a 2D plane.
• 31. Implement a function to find the sum of an array of integers.
• 32. Create a program to count the number of consonants in a string.
• 33. Write a program to calculate the area of a triangle given its base and height.
• 34. Implement a function to check if a given number is a Armstrong number.
• 35. Create a program to determine if a given string contains only digits.
• 36. Write a program to find the median of an array of numbers.
• 37. Implement a program to find the smallest number in an array.
• 38. Create a function to calculate the sum of an arithmetic series.
• 39. Write a program to calculate the power of a number using loops.
• 40. Implement a function to find the number of unique characters in a string.
• 41. Create a program to determine the largest number from a set of inputs.
• 42. Write a program to print the digits of a number in reverse order.
• 43. Implement a function to calculate the sum of squares of the first n natural numbers.
• 44. Create a program to find the minimum value in a list of numbers.
• 45. Write a function to check if a number is a perfect number.
• 46. Implement a program to find the number of prime numbers in a given range.
• 47. Create a function to calculate the sum of two fractions.
• 48. Write a program to generate all combinations of a string.
• 49. Implement a program to check if a string is a valid identifier.
• 50. Create a function to find the second largest number in an array.

• More Levels

• Intermediate
• Advanced