← Number problems lesson New set →

Number Problems Worksheet

Quantitative aptitude lesson 27: Number problems · Set 913 · 40 questions
TalentJR

The method (Use the structure): n consecutive numbers with sum S: the middle (average) is S ÷ n. From sum and difference: larger = (sum + difference) ÷ 2, smaller = (sum − difference) ÷ 2. Swapping the digits changes the number by 9 × (difference of the digits). “k times another, difference D”: smaller = D ÷ (k − 1).

NameDateTime takenScore ___ / 40
  1. 1.The sum of 4 consecutive odd numbers is 192. What is the largest of them?
  2. 2.The sum of two numbers is 53 and their difference is 15. What is the larger number?
  3. 3.The sum of 4 consecutive numbers is 206. What is the smallest of them?
  4. 4.One number is 5 times another. Their difference is 52. What is the smaller number?
  5. 5.The sum of 4 consecutive numbers is 134. What is the smallest of them?
  6. 6.One number is 6 times another. Their difference is 70. What is the smaller number?
  7. 7.One number is 4 times another. Their difference is 84. What is the smaller number?
  8. 8.One number is 6 times another. Their difference is 145. What is the smaller number?
  9. 9.The sum of two numbers is 25 and their difference is 11. What is the smaller number?
  10. 10.One number is 3 times another. Their difference is 26. What is the smaller number?
  11. 11.The sum of 3 consecutive numbers is 39. What is the smallest of them?
  12. 12.The sum of two numbers is 122 and their difference is 8. What is the smaller number?
  13. 13.The digits of a two-digit number add up to 13. When the digits swap places, the number goes up by 27. What is the number?
  14. 14.The sum of 3 consecutive even numbers is 60. What is the smallest of them?
  15. 15.The sum of 3 consecutive odd numbers is 195. What is the largest of them?
  16. 16.The sum of 3 consecutive odd numbers is 189. What is the largest of them?
  17. 17.The sum of 3 consecutive odd numbers is 183. What is the largest of them?
  18. 18.The sum of 4 consecutive odd numbers is 232. What is the largest of them?
  19. 19.The sum of two numbers is 101 and their difference is 51. What is the larger number?
  20. 20.The digits of a two-digit number add up to 11. When the digits swap places, the number goes up by 45. What is the number?
  21. 21.The sum of 4 consecutive even numbers is 332. What is the largest of them?
  22. 22.The sum of 3 consecutive numbers is 27. What is the largest of them?
  23. 23.One number is 6 times another. Their difference is 85. What is the smaller number?
  24. 24.One number is 4 times another. Their difference is 102. What is the smaller number?
  25. 25.The sum of 4 consecutive odd numbers is 336. What is the largest of them?
  26. 26.The digits of a two-digit number add up to 15. When the digits swap places, the number goes up by 9. What is the number?
  27. 27.The sum of two numbers is 82 and their difference is 4. What is the larger number?
  28. 28.One number is 3 times another. Their difference is 40. What is the smaller number?
  29. 29.One number is 2 times another. Their difference is 16. What is the smaller number?
  30. 30.The sum of 3 consecutive numbers is 132. What is the largest of them?
  31. 31.The sum of 4 consecutive numbers is 158. What is the smallest of them?
  32. 32.The sum of 4 consecutive even numbers is 260. What is the smallest of them?
  33. 33.The sum of 4 consecutive even numbers is 108. What is the smallest of them?
  34. 34.The sum of two numbers is 47 and their difference is 21. What is the larger number?
  35. 35.One number is 2 times another. Their difference is 39. What is the smaller number?
  36. 36.One number is 3 times another. Their difference is 74. What is the smaller number?
  37. 37.The sum of 3 consecutive even numbers is 48. What is the largest of them?
  38. 38.The sum of 3 consecutive numbers is 150. What is the smallest of them?
  39. 39.The digits of a two-digit number add up to 6. When the digits swap places, the number goes up by 18. What is the number?
  40. 40.One number is 5 times another. Their difference is 120. What is the smaller number?

Answer key

  1. 51
  2. 34
  3. 50
  4. 13
  5. 32
  6. 14
  7. 28
  8. 29
  9. 7
  10. 13
  11. 12
  12. 57
  13. 58
  14. 18
  15. 67
  16. 65
  17. 63
  18. 61
  19. 76
  20. 38
  21. 86
  22. 10
  23. 17
  24. 34
  25. 87
  26. 78
  27. 43
  28. 20
  29. 16
  30. 45
  31. 38
  32. 62
  33. 24
  34. 34
  35. 39
  36. 37
  37. 18
  38. 49
  39. 24
  40. 30

Free quantitative aptitude lessons, practice and worksheets at talentjr.in/quantitative-aptitude