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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 909 · 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: 31, 84, 73, 43? (a) 31 (b) 84 (c) 73 (d) 43
  2. 2.Which number is the odd one out: 47, 17, 73, 66? (a) 47 (b) 17 (c) 73 (d) 66
  3. 3.Which number is the odd one out: 9, 3, 17, 11? (a) 9 (b) 3 (c) 17 (d) 11
  4. 4.Which number is the odd one out: 66, 60, 30, 76? (a) 66 (b) 60 (c) 30 (d) 76
  5. 5.Which number is the odd one out: 5, 13, 47, 10? (a) 5 (b) 13 (c) 47 (d) 10
  6. 6.Which number is the odd one out: 71, 8, 16, 64? (a) 71 (b) 8 (c) 16 (d) 64
  7. 7.Which number is the odd one out: 97, 47, 50, 67? (a) 97 (b) 47 (c) 50 (d) 67
  8. 8.Which number is the odd one out: 65, 32, 88, 52? (a) 65 (b) 32 (c) 88 (d) 52
  9. 9.Which number is the odd one out: 81, 9, 27, 34? (a) 81 (b) 9 (c) 27 (d) 34
  10. 10.Which number is the odd one out: 59, 17, 67, 56? (a) 59 (b) 17 (c) 67 (d) 56
  11. 11.Which number is the odd one out: 42, 56, 24, 32? (a) 42 (b) 56 (c) 24 (d) 32
  12. 12.Which number is the odd one out: 39, 96, 83, 24? (a) 39 (b) 96 (c) 83 (d) 24
  13. 13.Which number is the odd one out: 86, 47, 61, 29? (a) 86 (b) 47 (c) 61 (d) 29
  14. 14.Which number is the odd one out: 17, 84, 3, 41? (a) 17 (b) 84 (c) 3 (d) 41
  15. 15.Which number is the odd one out: 96, 6, 24, 77? (a) 96 (b) 6 (c) 24 (d) 77
  16. 16.Which number is the odd one out: 57, 29, 61, 59? (a) 57 (b) 29 (c) 61 (d) 59
  17. 17.Which number is the odd one out: 11, 96, 88, 48? (a) 11 (b) 96 (c) 88 (d) 48
  18. 18.Which number is the odd one out: 2, 42, 11, 47? (a) 2 (b) 42 (c) 11 (d) 47
  19. 19.Which number is the odd one out: 11, 89, 13, 70? (a) 11 (b) 89 (c) 13 (d) 70
  20. 20.Which number is the odd one out: 51, 9, 81, 27? (a) 51 (b) 9 (c) 81 (d) 27
  21. 21.Which number is the odd one out: 26, 41, 71, 53? (a) 26 (b) 41 (c) 71 (d) 53
  22. 22.Which number is the odd one out: 17, 19, 28, 73? (a) 17 (b) 19 (c) 28 (d) 73
  23. 23.Which number is the odd one out: 25, 23, 5, 4? (a) 25 (b) 23 (c) 5 (d) 4
  24. 24.Which number is the odd one out: 17, 13, 24, 61? (a) 17 (b) 13 (c) 24 (d) 61
  25. 25.Which number is the odd one out: 5, 94, 23, 85? (a) 5 (b) 94 (c) 23 (d) 85
  26. 26.Which number is the odd one out: 17, 48, 73, 23? (a) 17 (b) 48 (c) 73 (d) 23
  27. 27.Which number is the odd one out: 42, 7, 37, 51? (a) 42 (b) 7 (c) 37 (d) 51
  28. 28.Which number is the odd one out: 17, 29, 73, 46? (a) 17 (b) 29 (c) 73 (d) 46
  29. 29.Which number is the odd one out: 24, 84, 48, 96? (a) 24 (b) 84 (c) 48 (d) 96
  30. 30.Which number is the odd one out: 19, 37, 69, 73? (a) 19 (b) 37 (c) 69 (d) 73
  31. 31.Which number is the odd one out: 31, 60, 30, 12? (a) 31 (b) 60 (c) 30 (d) 12
  32. 32.Which number is the odd one out: 13, 97, 20, 5? (a) 13 (b) 97 (c) 20 (d) 5
  33. 33.Which number is the odd one out: 37, 71, 89, 58? (a) 37 (b) 71 (c) 89 (d) 58
  34. 34.Which number is the odd one out: 78, 96, 81, 24? (a) 78 (b) 96 (c) 81 (d) 24
  35. 35.Which number is the odd one out: 2, 37, 22, 97? (a) 2 (b) 37 (c) 22 (d) 97
  36. 36.Which number is the odd one out: 11, 59, 62, 23? (a) 11 (b) 59 (c) 62 (d) 23
  37. 37.Which number is the odd one out: 24, 43, 53, 17? (a) 24 (b) 43 (c) 53 (d) 17
  38. 38.Which number is the odd one out: 23, 38, 73, 31? (a) 23 (b) 38 (c) 73 (d) 31
  39. 39.Which number is the odd one out: 79, 29, 78, 61? (a) 79 (b) 29 (c) 78 (d) 61
  40. 40.Which number is the odd one out: 41, 43, 6, 89? (a) 41 (b) 43 (c) 6 (d) 89

Answer key

  1. 84
  2. 66
  3. 9
  4. 76
  5. 10
  6. 71
  7. 50
  8. 65
  9. 34
  10. 56
  11. 42
  12. 83
  13. 86
  14. 84
  15. 77
  16. 57
  17. 11
  18. 42
  19. 70
  20. 51
  21. 26
  22. 28
  23. 4
  24. 24
  25. 94
  26. 48
  27. 42
  28. 46
  29. 84
  30. 69
  31. 31
  32. 20
  33. 58
  34. 81
  35. 22
  36. 62
  37. 24
  38. 38
  39. 78
  40. 6

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