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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 56 · 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: 47, 66, 17, 19? (a) 47 (b) 66 (c) 17 (d) 19
  2. 2.Which number is the odd one out: 7, 61, 89, 28? (a) 7 (b) 61 (c) 89 (d) 28
  3. 3.Which number is the odd one out: 29, 89, 94, 59? (a) 29 (b) 89 (c) 94 (d) 59
  4. 4.Which number is the odd one out: 55, 76, 39, 15? (a) 55 (b) 76 (c) 39 (d) 15
  5. 5.Which number is the odd one out: 73, 4, 17, 79? (a) 73 (b) 4 (c) 17 (d) 79
  6. 6.Which number is the odd one out: 75, 82, 76, 92? (a) 75 (b) 82 (c) 76 (d) 92
  7. 7.Which number is the odd one out: 59, 15, 17, 3? (a) 59 (b) 15 (c) 17 (d) 3
  8. 8.Which number is the odd one out: 64, 17, 79, 31? (a) 64 (b) 17 (c) 79 (d) 31
  9. 9.Which number is the odd one out: 15, 75, 72, 60? (a) 15 (b) 75 (c) 72 (d) 60
  10. 10.Which number is the odd one out: 48, 24, 61, 32? (a) 48 (b) 24 (c) 61 (d) 32
  11. 11.Which number is the odd one out: 33, 75, 22, 55? (a) 33 (b) 75 (c) 22 (d) 55
  12. 12.Which number is the odd one out: 37, 47, 51, 23? (a) 37 (b) 47 (c) 51 (d) 23
  13. 13.Which number is the odd one out: 17, 22, 67, 89? (a) 17 (b) 22 (c) 67 (d) 89
  14. 14.Which number is the odd one out: 17, 65, 60, 43? (a) 17 (b) 65 (c) 60 (d) 43
  15. 15.Which number is the odd one out: 50, 71, 11, 41? (a) 50 (b) 71 (c) 11 (d) 41
  16. 16.Which number is the odd one out: 84, 2, 47, 89? (a) 84 (b) 2 (c) 47 (d) 89
  17. 17.Which number is the odd one out: 28, 27, 81, 9? (a) 28 (b) 27 (c) 81 (d) 9
  18. 18.Which number is the odd one out: 91, 21, 78, 14? (a) 91 (b) 21 (c) 78 (d) 14
  19. 19.Which number is the odd one out: 11, 12, 41, 37? (a) 11 (b) 12 (c) 41 (d) 37
  20. 20.Which number is the odd one out: 32, 91, 24, 48? (a) 32 (b) 91 (c) 24 (d) 48
  21. 21.Which number is the odd one out: 71, 67, 46, 73? (a) 71 (b) 67 (c) 46 (d) 73
  22. 22.Which number is the odd one out: 18, 45, 90, 29? (a) 18 (b) 45 (c) 90 (d) 29
  23. 23.Which number is the odd one out: 65, 75, 42, 50? (a) 65 (b) 75 (c) 42 (d) 50
  24. 24.Which number is the odd one out: 67, 19, 24, 97? (a) 67 (b) 19 (c) 24 (d) 97
  25. 25.Which number is the odd one out: 89, 63, 43, 47? (a) 89 (b) 63 (c) 43 (d) 47
  26. 26.Which number is the odd one out: 75, 92, 55, 51? (a) 75 (b) 92 (c) 55 (d) 51
  27. 27.Which number is the odd one out: 79, 87, 11, 53? (a) 79 (b) 87 (c) 11 (d) 53
  28. 28.Which number is the odd one out: 2, 23, 62, 73? (a) 2 (b) 23 (c) 62 (d) 73
  29. 29.Which number is the odd one out: 73, 83, 12, 37? (a) 73 (b) 83 (c) 12 (d) 37
  30. 30.Which number is the odd one out: 66, 4, 88, 16? (a) 66 (b) 4 (c) 88 (d) 16
  31. 31.Which number is the odd one out: 47, 88, 29, 71? (a) 47 (b) 88 (c) 29 (d) 71
  32. 32.Which number is the odd one out: 3, 43, 12, 29? (a) 3 (b) 43 (c) 12 (d) 29
  33. 33.Which number is the odd one out: 61, 55, 11, 73? (a) 61 (b) 55 (c) 11 (d) 73
  34. 34.Which number is the odd one out: 59, 53, 94, 2? (a) 59 (b) 53 (c) 94 (d) 2
  35. 35.Which number is the odd one out: 15, 65, 96, 24? (a) 15 (b) 65 (c) 96 (d) 24
  36. 36.Which number is the odd one out: 43, 2, 41, 72? (a) 43 (b) 2 (c) 41 (d) 72
  37. 37.Which number is the odd one out: 71, 89, 48, 17? (a) 71 (b) 89 (c) 48 (d) 17
  38. 38.Which number is the odd one out: 37, 69, 41, 59? (a) 37 (b) 69 (c) 41 (d) 59
  39. 39.Which number is the odd one out: 59, 71, 94, 61? (a) 59 (b) 71 (c) 94 (d) 61
  40. 40.Which number is the odd one out: 97, 67, 14, 29? (a) 97 (b) 67 (c) 14 (d) 29

Answer key

  1. 66
  2. 28
  3. 94
  4. 76
  5. 4
  6. 75
  7. 15
  8. 64
  9. 72
  10. 61
  11. 22
  12. 51
  13. 22
  14. 60
  15. 50
  16. 84
  17. 28
  18. 78
  19. 12
  20. 91
  21. 46
  22. 29
  23. 42
  24. 24
  25. 63
  26. 92
  27. 87
  28. 62
  29. 12
  30. 66
  31. 88
  32. 12
  33. 55
  34. 94
  35. 65
  36. 72
  37. 48
  38. 69
  39. 94
  40. 14

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