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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 910 · 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: 44, 68, 14, 28? (a) 44 (b) 68 (c) 14 (d) 28
  2. 2.Which number is the odd one out: 57, 87, 51, 13? (a) 57 (b) 87 (c) 51 (d) 13
  3. 3.Which number is the odd one out: 29, 89, 19, 8? (a) 29 (b) 89 (c) 19 (d) 8
  4. 4.Which number is the odd one out: 72, 75, 80, 55? (a) 72 (b) 75 (c) 80 (d) 55
  5. 5.Which number is the odd one out: 61, 88, 29, 73? (a) 61 (b) 88 (c) 29 (d) 73
  6. 6.Which number is the odd one out: 32, 78, 88, 24? (a) 32 (b) 78 (c) 88 (d) 24
  7. 7.Which number is the odd one out: 48, 96, 79, 32? (a) 48 (b) 96 (c) 79 (d) 32
  8. 8.Which number is the odd one out: 56, 2, 41, 53? (a) 56 (b) 2 (c) 41 (d) 53
  9. 9.Which number is the odd one out: 43, 9, 97, 11? (a) 43 (b) 9 (c) 97 (d) 11
  10. 10.Which number is the odd one out: 92, 4, 81, 9? (a) 92 (b) 4 (c) 81 (d) 9
  11. 11.Which number is the odd one out: 18, 72, 48, 75? (a) 18 (b) 72 (c) 48 (d) 75
  12. 12.Which number is the odd one out: 69, 48, 97, 24? (a) 69 (b) 48 (c) 97 (d) 24
  13. 13.Which number is the odd one out: 16, 61, 71, 23? (a) 16 (b) 61 (c) 71 (d) 23
  14. 14.Which number is the odd one out: 48, 96, 32, 26? (a) 48 (b) 96 (c) 32 (d) 26
  15. 15.Which number is the odd one out: 18, 39, 78, 54? (a) 18 (b) 39 (c) 78 (d) 54
  16. 16.Which number is the odd one out: 59, 60, 23, 5? (a) 59 (b) 60 (c) 23 (d) 5
  17. 17.Which number is the odd one out: 24, 19, 69, 47? (a) 24 (b) 19 (c) 69 (d) 47
  18. 18.Which number is the odd one out: 93, 73, 29, 23? (a) 93 (b) 73 (c) 29 (d) 23
  19. 19.Which number is the odd one out: 64, 38, 73, 16? (a) 64 (b) 38 (c) 73 (d) 16
  20. 20.Which number is the odd one out: 59, 41, 46, 17? (a) 59 (b) 41 (c) 46 (d) 17
  21. 21.Which number is the odd one out: 59, 11, 13, 20? (a) 59 (b) 11 (c) 13 (d) 20
  22. 22.Which number is the odd one out: 19, 46, 71, 61? (a) 19 (b) 46 (c) 71 (d) 61
  23. 23.Which number is the odd one out: 89, 17, 10, 53? (a) 89 (b) 17 (c) 10 (d) 53
  24. 24.Which number is the odd one out: 37, 58, 43, 59? (a) 37 (b) 58 (c) 43 (d) 59
  25. 25.Which number is the odd one out: 28, 96, 98, 42? (a) 28 (b) 96 (c) 98 (d) 42
  26. 26.Which number is the odd one out: 5, 24, 6, 48? (a) 5 (b) 24 (c) 6 (d) 48
  27. 27.Which number is the odd one out: 12, 96, 29, 24? (a) 12 (b) 96 (c) 29 (d) 24
  28. 28.Which number is the odd one out: 66, 41, 71, 31? (a) 66 (b) 41 (c) 71 (d) 31
  29. 29.Which number is the odd one out: 83, 89, 79, 68? (a) 83 (b) 89 (c) 79 (d) 68
  30. 30.Which number is the odd one out: 41, 72, 67, 17? (a) 41 (b) 72 (c) 67 (d) 17
  31. 31.Which number is the odd one out: 54, 18, 27, 7? (a) 54 (b) 18 (c) 27 (d) 7
  32. 32.Which number is the odd one out: 23, 31, 94, 79? (a) 23 (b) 31 (c) 94 (d) 79
  33. 33.Which number is the odd one out: 85, 67, 17, 73? (a) 85 (b) 67 (c) 17 (d) 73
  34. 34.Which number is the odd one out: 17, 92, 43, 67? (a) 17 (b) 92 (c) 43 (d) 67
  35. 35.Which number is the odd one out: 79, 47, 16, 13? (a) 79 (b) 47 (c) 16 (d) 13
  36. 36.Which number is the odd one out: 43, 14, 29, 11? (a) 43 (b) 14 (c) 29 (d) 11
  37. 37.Which number is the odd one out: 79, 25, 53, 5? (a) 79 (b) 25 (c) 53 (d) 5
  38. 38.Which number is the odd one out: 43, 29, 19, 6? (a) 43 (b) 29 (c) 19 (d) 6
  39. 39.Which number is the odd one out: 13, 85, 29, 23? (a) 13 (b) 85 (c) 29 (d) 23
  40. 40.Which number is the odd one out: 83, 41, 59, 51? (a) 83 (b) 41 (c) 59 (d) 51

Answer key

  1. 14
  2. 13
  3. 8
  4. 72
  5. 88
  6. 78
  7. 79
  8. 56
  9. 9
  10. 92
  11. 75
  12. 97
  13. 16
  14. 26
  15. 39
  16. 60
  17. 24
  18. 93
  19. 73
  20. 46
  21. 20
  22. 46
  23. 10
  24. 58
  25. 96
  26. 5
  27. 29
  28. 66
  29. 68
  30. 72
  31. 7
  32. 94
  33. 85
  34. 92
  35. 16
  36. 14
  37. 25
  38. 6
  39. 85
  40. 51

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