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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 928 · 40 questions
TalentJR

How to think it through (Test every number): Check each number for a property: even/odd, prime (only two factors), square (4, 9, 16 …), or a multiple of 3, 4, 5 … 9. Find the property that three numbers share and one does not. Make sure no other property points at a different number — then that one is the odd one out.

NameDateTime takenScore ___ / 40
  1. 1.Which number is the odd one out: 13, 59, 17, 24? (a) 13 (b) 59 (c) 17 (d) 24
  2. 2.Which number is the odd one out: 6, 43, 89, 13? (a) 6 (b) 43 (c) 89 (d) 13
  3. 3.Which number is the odd one out: 17, 81, 97, 13? (a) 17 (b) 81 (c) 97 (d) 13
  4. 4.Which number is the odd one out: 31, 11, 24, 83? (a) 31 (b) 11 (c) 24 (d) 83
  5. 5.Which number is the odd one out: 76, 53, 73, 37? (a) 76 (b) 53 (c) 73 (d) 37
  6. 6.Which number is the odd one out: 20, 2, 17, 31? (a) 20 (b) 2 (c) 17 (d) 31
  7. 7.Which number is the odd one out: 53, 41, 79, 49? (a) 53 (b) 41 (c) 79 (d) 49
  8. 8.Which number is the odd one out: 40, 68, 97, 80? (a) 40 (b) 68 (c) 97 (d) 80
  9. 9.Which number is the odd one out: 11, 19, 23, 32? (a) 11 (b) 19 (c) 23 (d) 32
  10. 10.Which number is the odd one out: 11, 83, 6, 17? (a) 11 (b) 83 (c) 6 (d) 17
  11. 11.Which number is the odd one out: 81, 24, 36, 9? (a) 81 (b) 24 (c) 36 (d) 9
  12. 12.Which number is the odd one out: 28, 56, 96, 48? (a) 28 (b) 56 (c) 96 (d) 48
  13. 13.Which number is the odd one out: 71, 83, 89, 69? (a) 71 (b) 83 (c) 89 (d) 69
  14. 14.Which number is the odd one out: 73, 23, 29, 12? (a) 73 (b) 23 (c) 29 (d) 12
  15. 15.Which number is the odd one out: 41, 23, 43, 35? (a) 41 (b) 23 (c) 43 (d) 35
  16. 16.Which number is the odd one out: 11, 67, 41, 33? (a) 11 (b) 67 (c) 41 (d) 33
  17. 17.Which number is the odd one out: 91, 16, 46, 64? (a) 91 (b) 16 (c) 46 (d) 64
  18. 18.Which number is the odd one out: 24, 73, 3, 13? (a) 24 (b) 73 (c) 3 (d) 13
  19. 19.Which number is the odd one out: 32, 40, 88, 65? (a) 32 (b) 40 (c) 88 (d) 65
  20. 20.Which number is the odd one out: 39, 89, 23, 61? (a) 39 (b) 89 (c) 23 (d) 61
  21. 21.Which number is the odd one out: 64, 4, 3, 16? (a) 64 (b) 4 (c) 3 (d) 16
  22. 22.Which number is the odd one out: 5, 95, 89, 16? (a) 5 (b) 95 (c) 89 (d) 16
  23. 23.Which number is the odd one out: 33, 31, 61, 73? (a) 33 (b) 31 (c) 61 (d) 73
  24. 24.Which number is the odd one out: 69, 24, 12, 96? (a) 69 (b) 24 (c) 12 (d) 96
  25. 25.Which number is the odd one out: 16, 17, 2, 31? (a) 16 (b) 17 (c) 2 (d) 31
  26. 26.Which number is the odd one out: 16, 40, 64, 70? (a) 16 (b) 40 (c) 64 (d) 70
  27. 27.Which number is the odd one out: 2, 26, 73, 23? (a) 2 (b) 26 (c) 73 (d) 23
  28. 28.Which number is the odd one out: 75, 36, 20, 65? (a) 75 (b) 36 (c) 20 (d) 65
  29. 29.Which number is the odd one out: 12, 81, 24, 96? (a) 12 (b) 81 (c) 24 (d) 96
  30. 30.Which number is the odd one out: 13, 79, 3, 12? (a) 13 (b) 79 (c) 3 (d) 12
  31. 31.Which number is the odd one out: 11, 19, 12, 29? (a) 11 (b) 19 (c) 12 (d) 29
  32. 32.Which number is the odd one out: 79, 46, 17, 41? (a) 79 (b) 46 (c) 17 (d) 41
  33. 33.Which number is the odd one out: 44, 65, 55, 85? (a) 44 (b) 65 (c) 55 (d) 85
  34. 34.Which number is the odd one out: 81, 28, 4, 9? (a) 81 (b) 28 (c) 4 (d) 9
  35. 35.Which number is the odd one out: 4, 23, 16, 64? (a) 4 (b) 23 (c) 16 (d) 64
  36. 36.Which number is the odd one out: 36, 84, 81, 9? (a) 36 (b) 84 (c) 81 (d) 9
  37. 37.Which number is the odd one out: 19, 83, 93, 79? (a) 19 (b) 83 (c) 93 (d) 79
  38. 38.Which number is the odd one out: 30, 59, 73, 41? (a) 30 (b) 59 (c) 73 (d) 41
  39. 39.Which number is the odd one out: 24, 59, 39, 53? (a) 24 (b) 59 (c) 39 (d) 53
  40. 40.Which number is the odd one out: 30, 33, 25, 66? (a) 30 (b) 33 (c) 25 (d) 66

Answer key

  1. 24
  2. 6
  3. 81
  4. 24
  5. 76
  6. 20
  7. 49
  8. 97
  9. 32
  10. 6
  11. 24
  12. 28
  13. 69
  14. 12
  15. 35
  16. 33
  17. 91
  18. 24
  19. 65
  20. 39
  21. 3
  22. 16
  23. 33
  24. 69
  25. 16
  26. 70
  27. 26
  28. 36
  29. 81
  30. 12
  31. 12
  32. 46
  33. 44
  34. 28
  35. 23
  36. 84
  37. 93
  38. 30
  39. 24
  40. 25

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