← Number problems lesson New set →

Number Problems Worksheet

Quantitative aptitude lesson 27: Number problems · Set 793 · 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 even numbers is 316. What is the largest of them?
  2. 2.The sum of 5 consecutive numbers is 110. What is the smallest of them?
  3. 3.The sum of 3 consecutive odd numbers is 183. What is the largest of them?
  4. 4.The sum of 4 consecutive numbers is 186. What is the smallest of them?
  5. 5.The sum of 4 consecutive numbers is 122. What is the largest of them?
  6. 6.The sum of 4 consecutive even numbers is 260. What is the smallest of them?
  7. 7.The sum of two numbers is 107 and their difference is 1. What is the larger number?
  8. 8.The digits of a two-digit number add up to 9. When the digits swap places, the number goes up by 63. What is the number?
  9. 9.The sum of 3 consecutive numbers is 66. What is the smallest of them?
  10. 10.One number is 5 times another. Their difference is 144. What is the smaller number?
  11. 11.One number is 4 times another. Their difference is 9. What is the smaller number?
  12. 12.The digits of a two-digit number add up to 14. When the digits swap places, the number goes up by 18. What is the number?
  13. 13.The sum of 4 consecutive even numbers is 60. What is the largest of them?
  14. 14.One number is 3 times another. Their difference is 38. What is the smaller number?
  15. 15.The sum of 3 consecutive numbers is 153. What is the smallest of them?
  16. 16.One number is 4 times another. Their difference is 54. What is the smaller number?
  17. 17.The sum of 3 consecutive numbers is 156. What is the smallest of them?
  18. 18.One number is 2 times another. Their difference is 14. What is the smaller number?
  19. 19.One number is 2 times another. Their difference is 40. What is the smaller number?
  20. 20.The digits of a two-digit number add up to 3. When the digits swap places, the number goes up by 9. What is the number?
  21. 21.The sum of 4 consecutive numbers is 126. What is the largest of them?
  22. 22.The sum of 5 consecutive numbers is 90. What is the smallest of them?
  23. 23.The sum of 3 consecutive even numbers is 120. What is the smallest of them?
  24. 24.The digits of a two-digit number add up to 12. When the digits swap places, the number goes up by 18. What is the number?
  25. 25.The sum of two numbers is 14 and their difference is 6. What is the smaller number?
  26. 26.The sum of 4 consecutive numbers is 54. What is the smallest of them?
  27. 27.The sum of 4 consecutive odd numbers is 304. What is the smallest of them?
  28. 28.One number is 3 times another. Their difference is 10. What is the smaller number?
  29. 29.The sum of two numbers is 64 and their difference is 48. What is the larger number?
  30. 30.The sum of 3 consecutive numbers is 45. What is the smallest of them?
  31. 31.The sum of two numbers is 43 and their difference is 27. What is the smaller number?
  32. 32.One number is 3 times another. Their difference is 30. What is the smaller number?
  33. 33.The sum of 4 consecutive odd numbers is 104. What is the smallest of them?
  34. 34.The sum of two numbers is 39 and their difference is 5. What is the larger number?
  35. 35.The sum of two numbers is 135 and their difference is 31. What is the larger number?
  36. 36.One number is 4 times another. Their difference is 72. What is the smaller number?
  37. 37.The sum of two numbers is 74 and their difference is 56. What is the smaller number?
  38. 38.One number is 2 times another. Their difference is 18. What is the smaller number?
  39. 39.One number is 5 times another. Their difference is 132. What is the smaller number?
  40. 40.The sum of 4 consecutive numbers is 70. What is the largest of them?

Answer key

  1. 82
  2. 20
  3. 63
  4. 45
  5. 32
  6. 62
  7. 54
  8. 18
  9. 21
  10. 36
  11. 3
  12. 68
  13. 18
  14. 19
  15. 50
  16. 18
  17. 51
  18. 14
  19. 40
  20. 12
  21. 33
  22. 16
  23. 38
  24. 57
  25. 4
  26. 12
  27. 73
  28. 5
  29. 56
  30. 14
  31. 8
  32. 15
  33. 23
  34. 22
  35. 83
  36. 24
  37. 9
  38. 18
  39. 33
  40. 19

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