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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 211 · 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: 9, 83, 37, 3? (a) 9 (b) 83 (c) 37 (d) 3
  2. 2.Which number is the odd one out: 48, 24, 8, 2? (a) 48 (b) 24 (c) 8 (d) 2
  3. 3.Which number is the odd one out: 59, 23, 2, 79? (a) 59 (b) 23 (c) 2 (d) 79
  4. 4.Which number is the odd one out: 31, 23, 38, 83? (a) 31 (b) 23 (c) 38 (d) 83
  5. 5.Which number is the odd one out: 11, 89, 20, 19? (a) 11 (b) 89 (c) 20 (d) 19
  6. 6.Which number is the odd one out: 60, 47, 29, 11? (a) 60 (b) 47 (c) 29 (d) 11
  7. 7.Which number is the odd one out: 59, 53, 2, 12? (a) 59 (b) 53 (c) 2 (d) 12
  8. 8.Which number is the odd one out: 67, 48, 97, 13? (a) 67 (b) 48 (c) 97 (d) 13
  9. 9.Which number is the odd one out: 74, 4, 64, 16? (a) 74 (b) 4 (c) 64 (d) 16
  10. 10.Which number is the odd one out: 24, 71, 96, 78? (a) 24 (b) 71 (c) 96 (d) 78
  11. 11.Which number is the odd one out: 13, 97, 4, 2? (a) 13 (b) 97 (c) 4 (d) 2
  12. 12.Which number is the odd one out: 89, 17, 29, 52? (a) 89 (b) 17 (c) 29 (d) 52
  13. 13.Which number is the odd one out: 96, 48, 66, 38? (a) 96 (b) 48 (c) 66 (d) 38
  14. 14.Which number is the odd one out: 69, 31, 3, 17? (a) 69 (b) 31 (c) 3 (d) 17
  15. 15.Which number is the odd one out: 67, 33, 17, 89? (a) 67 (b) 33 (c) 17 (d) 89
  16. 16.Which number is the odd one out: 91, 28, 49, 64? (a) 91 (b) 28 (c) 49 (d) 64
  17. 17.Which number is the odd one out: 40, 8, 20, 32? (a) 40 (b) 8 (c) 20 (d) 32
  18. 18.Which number is the odd one out: 94, 54, 18, 6? (a) 94 (b) 54 (c) 18 (d) 6
  19. 19.Which number is the odd one out: 17, 29, 10, 89? (a) 17 (b) 29 (c) 10 (d) 89
  20. 20.Which number is the odd one out: 75, 44, 68, 20? (a) 75 (b) 44 (c) 68 (d) 20
  21. 21.Which number is the odd one out: 39, 37, 54, 23? (a) 39 (b) 37 (c) 54 (d) 23
  22. 22.Which number is the odd one out: 47, 87, 89, 37? (a) 47 (b) 87 (c) 89 (d) 37
  23. 23.Which number is the odd one out: 53, 83, 84, 13? (a) 53 (b) 83 (c) 84 (d) 13
  24. 24.Which number is the odd one out: 97, 13, 28, 47? (a) 97 (b) 13 (c) 28 (d) 47
  25. 25.Which number is the odd one out: 60, 24, 29, 80? (a) 60 (b) 24 (c) 29 (d) 80
  26. 26.Which number is the odd one out: 13, 43, 62, 37? (a) 13 (b) 43 (c) 62 (d) 37
  27. 27.Which number is the odd one out: 44, 52, 84, 42? (a) 44 (b) 52 (c) 84 (d) 42
  28. 28.Which number is the odd one out: 43, 59, 24, 17? (a) 43 (b) 59 (c) 24 (d) 17
  29. 29.Which number is the odd one out: 16, 88, 64, 58? (a) 16 (b) 88 (c) 64 (d) 58
  30. 30.Which number is the odd one out: 67, 32, 17, 13? (a) 67 (b) 32 (c) 17 (d) 13
  31. 31.Which number is the odd one out: 54, 95, 27, 18? (a) 54 (b) 95 (c) 27 (d) 18
  32. 32.Which number is the odd one out: 23, 24, 12, 96? (a) 23 (b) 24 (c) 12 (d) 96
  33. 33.Which number is the odd one out: 18, 47, 43, 3? (a) 18 (b) 47 (c) 43 (d) 3
  34. 34.Which number is the odd one out: 88, 48, 32, 54? (a) 88 (b) 48 (c) 32 (d) 54
  35. 35.Which number is the odd one out: 44, 67, 32, 88? (a) 44 (b) 67 (c) 32 (d) 88
  36. 36.Which number is the odd one out: 11, 6, 67, 19? (a) 11 (b) 6 (c) 67 (d) 19
  37. 37.Which number is the odd one out: 43, 28, 37, 11? (a) 43 (b) 28 (c) 37 (d) 11
  38. 38.Which number is the odd one out: 67, 56, 91, 71? (a) 67 (b) 56 (c) 91 (d) 71
  39. 39.Which number is the odd one out: 28, 17, 43, 83? (a) 28 (b) 17 (c) 43 (d) 83
  40. 40.Which number is the odd one out: 5, 90, 13, 29? (a) 5 (b) 90 (c) 13 (d) 29

Answer key

  1. 9
  2. 2
  3. 2
  4. 38
  5. 20
  6. 60
  7. 12
  8. 48
  9. 74
  10. 71
  11. 4
  12. 52
  13. 38
  14. 69
  15. 33
  16. 64
  17. 20
  18. 94
  19. 10
  20. 75
  21. 54
  22. 87
  23. 84
  24. 28
  25. 29
  26. 62
  27. 42
  28. 24
  29. 58
  30. 32
  31. 95
  32. 23
  33. 18
  34. 54
  35. 67
  36. 6
  37. 28
  38. 56
  39. 28
  40. 90

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