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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 805 · 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: 24, 67, 96, 88? (a) 24 (b) 67 (c) 96 (d) 88
  2. 2.Which number is the odd one out: 40, 80, 88, 53? (a) 40 (b) 80 (c) 88 (d) 53
  3. 3.Which number is the odd one out: 11, 23, 19, 96? (a) 11 (b) 23 (c) 19 (d) 96
  4. 4.Which number is the odd one out: 61, 82, 17, 19? (a) 61 (b) 82 (c) 17 (d) 19
  5. 5.Which number is the odd one out: 31, 83, 13, 24? (a) 31 (b) 83 (c) 13 (d) 24
  6. 6.Which number is the odd one out: 19, 69, 54, 61? (a) 19 (b) 69 (c) 54 (d) 61
  7. 7.Which number is the odd one out: 9, 89, 43, 13? (a) 9 (b) 89 (c) 43 (d) 13
  8. 8.Which number is the odd one out: 96, 61, 13, 37? (a) 96 (b) 61 (c) 13 (d) 37
  9. 9.Which number is the odd one out: 19, 93, 61, 41? (a) 19 (b) 93 (c) 61 (d) 41
  10. 10.Which number is the odd one out: 5, 79, 65, 89? (a) 5 (b) 79 (c) 65 (d) 89
  11. 11.Which number is the odd one out: 89, 5, 20, 2? (a) 89 (b) 5 (c) 20 (d) 2
  12. 12.Which number is the odd one out: 97, 23, 79, 62? (a) 97 (b) 23 (c) 79 (d) 62
  13. 13.Which number is the odd one out: 37, 2, 97, 34? (a) 37 (b) 2 (c) 97 (d) 34
  14. 14.Which number is the odd one out: 68, 29, 23, 19? (a) 68 (b) 29 (c) 23 (d) 19
  15. 15.Which number is the odd one out: 19, 79, 35, 11? (a) 19 (b) 79 (c) 35 (d) 11
  16. 16.Which number is the odd one out: 98, 5, 7, 70? (a) 98 (b) 5 (c) 7 (d) 70
  17. 17.Which number is the odd one out: 61, 7, 91, 43? (a) 61 (b) 7 (c) 91 (d) 43
  18. 18.Which number is the odd one out: 11, 71, 79, 35? (a) 11 (b) 71 (c) 79 (d) 35
  19. 19.Which number is the odd one out: 3, 99, 19, 11? (a) 3 (b) 99 (c) 19 (d) 11
  20. 20.Which number is the odd one out: 31, 16, 89, 19? (a) 31 (b) 16 (c) 89 (d) 19
  21. 21.Which number is the odd one out: 54, 31, 61, 79? (a) 54 (b) 31 (c) 61 (d) 79
  22. 22.Which number is the odd one out: 80, 96, 30, 8? (a) 80 (b) 96 (c) 30 (d) 8
  23. 23.Which number is the odd one out: 23, 71, 99, 17? (a) 23 (b) 71 (c) 99 (d) 17
  24. 24.Which number is the odd one out: 15, 25, 55, 9? (a) 15 (b) 25 (c) 55 (d) 9
  25. 25.Which number is the odd one out: 49, 16, 64, 7? (a) 49 (b) 16 (c) 64 (d) 7
  26. 26.Which number is the odd one out: 53, 29, 2, 82? (a) 53 (b) 29 (c) 2 (d) 82
  27. 27.Which number is the odd one out: 51, 5, 12, 60? (a) 51 (b) 5 (c) 12 (d) 60
  28. 28.Which number is the odd one out: 56, 79, 47, 43? (a) 56 (b) 79 (c) 47 (d) 43
  29. 29.Which number is the odd one out: 29, 47, 59, 20? (a) 29 (b) 47 (c) 59 (d) 20
  30. 30.Which number is the odd one out: 20, 96, 24, 55? (a) 20 (b) 96 (c) 24 (d) 55
  31. 31.Which number is the odd one out: 29, 87, 88, 3? (a) 29 (b) 87 (c) 88 (d) 3
  32. 32.Which number is the odd one out: 79, 47, 60, 43? (a) 79 (b) 47 (c) 60 (d) 43
  33. 33.Which number is the odd one out: 16, 27, 81, 87? (a) 16 (b) 27 (c) 81 (d) 87
  34. 34.Which number is the odd one out: 11, 95, 2, 85? (a) 11 (b) 95 (c) 2 (d) 85
  35. 35.Which number is the odd one out: 96, 70, 72, 90? (a) 96 (b) 70 (c) 72 (d) 90
  36. 36.Which number is the odd one out: 34, 29, 23, 67? (a) 34 (b) 29 (c) 23 (d) 67
  37. 37.Which number is the odd one out: 43, 83, 42, 79? (a) 43 (b) 83 (c) 42 (d) 79
  38. 38.Which number is the odd one out: 64, 88, 65, 16? (a) 64 (b) 88 (c) 65 (d) 16
  39. 39.Which number is the odd one out: 14, 47, 89, 2? (a) 14 (b) 47 (c) 89 (d) 2
  40. 40.Which number is the odd one out: 61, 41, 56, 53? (a) 61 (b) 41 (c) 56 (d) 53

Answer key

  1. 67
  2. 53
  3. 96
  4. 82
  5. 24
  6. 54
  7. 9
  8. 96
  9. 93
  10. 65
  11. 20
  12. 62
  13. 34
  14. 68
  15. 35
  16. 5
  17. 91
  18. 35
  19. 99
  20. 16
  21. 54
  22. 30
  23. 99
  24. 9
  25. 7
  26. 82
  27. 5
  28. 56
  29. 20
  30. 55
  31. 88
  32. 60
  33. 16
  34. 2
  35. 70
  36. 34
  37. 42
  38. 65
  39. 14
  40. 56

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