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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 92 · 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: 23, 94, 67, 43? (a) 23 (b) 94 (c) 67 (d) 43
  2. 2.Which number is the odd one out: 27, 29, 11, 61? (a) 27 (b) 29 (c) 11 (d) 61
  3. 3.Which number is the odd one out: 30, 90, 54, 44? (a) 30 (b) 90 (c) 54 (d) 44
  4. 4.Which number is the odd one out: 4, 64, 7, 16? (a) 4 (b) 64 (c) 7 (d) 16
  5. 5.Which number is the odd one out: 4, 61, 2, 11? (a) 4 (b) 61 (c) 2 (d) 11
  6. 6.Which number is the odd one out: 42, 27, 99, 63? (a) 42 (b) 27 (c) 99 (d) 63
  7. 7.Which number is the odd one out: 37, 15, 30, 67? (a) 37 (b) 15 (c) 30 (d) 67
  8. 8.Which number is the odd one out: 89, 71, 19, 74? (a) 89 (b) 71 (c) 19 (d) 74
  9. 9.Which number is the odd one out: 50, 23, 17, 47? (a) 50 (b) 23 (c) 17 (d) 47
  10. 10.Which number is the odd one out: 17, 29, 91, 89? (a) 17 (b) 29 (c) 91 (d) 89
  11. 11.Which number is the odd one out: 59, 13, 69, 53? (a) 59 (b) 13 (c) 69 (d) 53
  12. 12.Which number is the odd one out: 31, 13, 30, 39? (a) 31 (b) 13 (c) 30 (d) 39
  13. 13.Which number is the odd one out: 70, 14, 11, 35? (a) 70 (b) 14 (c) 11 (d) 35
  14. 14.Which number is the odd one out: 8, 16, 64, 94? (a) 8 (b) 16 (c) 64 (d) 94
  15. 15.Which number is the odd one out: 30, 9, 12, 60? (a) 30 (b) 9 (c) 12 (d) 60
  16. 16.Which number is the odd one out: 29, 30, 71, 67? (a) 29 (b) 30 (c) 71 (d) 67
  17. 17.Which number is the odd one out: 18, 9, 6, 81? (a) 18 (b) 9 (c) 6 (d) 81
  18. 18.Which number is the odd one out: 56, 43, 17, 71? (a) 56 (b) 43 (c) 17 (d) 71
  19. 19.Which number is the odd one out: 97, 37, 87, 84? (a) 97 (b) 37 (c) 87 (d) 84
  20. 20.Which number is the odd one out: 60, 35, 84, 76? (a) 60 (b) 35 (c) 84 (d) 76
  21. 21.Which number is the odd one out: 83, 19, 23, 87? (a) 83 (b) 19 (c) 23 (d) 87
  22. 22.Which number is the odd one out: 97, 41, 43, 45? (a) 97 (b) 41 (c) 43 (d) 45
  23. 23.Which number is the odd one out: 81, 4, 92, 9? (a) 81 (b) 4 (c) 92 (d) 9
  24. 24.Which number is the odd one out: 5, 40, 4, 64? (a) 5 (b) 40 (c) 4 (d) 64
  25. 25.Which number is the odd one out: 31, 67, 18, 47? (a) 31 (b) 67 (c) 18 (d) 47
  26. 26.Which number is the odd one out: 11, 62, 19, 41? (a) 11 (b) 62 (c) 19 (d) 41
  27. 27.Which number is the odd one out: 24, 28, 77, 21? (a) 24 (b) 28 (c) 77 (d) 21
  28. 28.Which number is the odd one out: 47, 19, 17, 62? (a) 47 (b) 19 (c) 17 (d) 62
  29. 29.Which number is the odd one out: 84, 77, 12, 6? (a) 84 (b) 77 (c) 12 (d) 6
  30. 30.Which number is the odd one out: 45, 71, 18, 90? (a) 45 (b) 71 (c) 18 (d) 90
  31. 31.Which number is the odd one out: 19, 47, 82, 2? (a) 19 (b) 47 (c) 82 (d) 2
  32. 32.Which number is the odd one out: 66, 5, 90, 18? (a) 66 (b) 5 (c) 90 (d) 18
  33. 33.Which number is the odd one out: 23, 30, 79, 59? (a) 23 (b) 30 (c) 79 (d) 59
  34. 34.Which number is the odd one out: 8, 32, 76, 38? (a) 8 (b) 32 (c) 76 (d) 38
  35. 35.Which number is the odd one out: 79, 13, 23, 10? (a) 79 (b) 13 (c) 23 (d) 10
  36. 36.Which number is the odd one out: 83, 31, 23, 70? (a) 83 (b) 31 (c) 23 (d) 70
  37. 37.Which number is the odd one out: 15, 10, 69, 87? (a) 15 (b) 10 (c) 69 (d) 87
  38. 38.Which number is the odd one out: 19, 52, 73, 17? (a) 19 (b) 52 (c) 73 (d) 17
  39. 39.Which number is the odd one out: 48, 88, 92, 96? (a) 48 (b) 88 (c) 92 (d) 96
  40. 40.Which number is the odd one out: 24, 61, 89, 59? (a) 24 (b) 61 (c) 89 (d) 59

Answer key

  1. 94
  2. 27
  3. 44
  4. 7
  5. 4
  6. 42
  7. 30
  8. 74
  9. 50
  10. 91
  11. 69
  12. 30
  13. 11
  14. 94
  15. 9
  16. 30
  17. 6
  18. 56
  19. 84
  20. 35
  21. 87
  22. 45
  23. 92
  24. 5
  25. 18
  26. 62
  27. 24
  28. 62
  29. 77
  30. 71
  31. 82
  32. 5
  33. 30
  34. 38
  35. 10
  36. 70
  37. 10
  38. 52
  39. 92
  40. 24

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