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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 274 · 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: 10, 62, 38, 95? (a) 10 (b) 62 (c) 38 (d) 95
  2. 2.Which number is the odd one out: 97, 16, 19, 13? (a) 97 (b) 16 (c) 19 (d) 13
  3. 3.Which number is the odd one out: 37, 97, 83, 66? (a) 37 (b) 97 (c) 83 (d) 66
  4. 4.Which number is the odd one out: 24, 70, 96, 80? (a) 24 (b) 70 (c) 96 (d) 80
  5. 5.Which number is the odd one out: 13, 29, 53, 76? (a) 13 (b) 29 (c) 53 (d) 76
  6. 6.Which number is the odd one out: 19, 83, 12, 3? (a) 19 (b) 83 (c) 12 (d) 3
  7. 7.Which number is the odd one out: 33, 48, 87, 57? (a) 33 (b) 48 (c) 87 (d) 57
  8. 8.Which number is the odd one out: 47, 48, 37, 31? (a) 47 (b) 48 (c) 37 (d) 31
  9. 9.Which number is the odd one out: 28, 95, 41, 5? (a) 28 (b) 95 (c) 41 (d) 5
  10. 10.Which number is the odd one out: 48, 39, 65, 24? (a) 48 (b) 39 (c) 65 (d) 24
  11. 11.Which number is the odd one out: 75, 92, 88, 40? (a) 75 (b) 92 (c) 88 (d) 40
  12. 12.Which number is the odd one out: 7, 26, 38, 82? (a) 7 (b) 26 (c) 38 (d) 82
  13. 13.Which number is the odd one out: 2, 13, 89, 14? (a) 2 (b) 13 (c) 89 (d) 14
  14. 14.Which number is the odd one out: 73, 35, 5, 67? (a) 73 (b) 35 (c) 5 (d) 67
  15. 15.Which number is the odd one out: 10, 24, 8, 60? (a) 10 (b) 24 (c) 8 (d) 60
  16. 16.Which number is the odd one out: 67, 72, 47, 71? (a) 67 (b) 72 (c) 47 (d) 71
  17. 17.Which number is the odd one out: 35, 8, 68, 40? (a) 35 (b) 8 (c) 68 (d) 40
  18. 18.Which number is the odd one out: 48, 72, 45, 24? (a) 48 (b) 72 (c) 45 (d) 24
  19. 19.Which number is the odd one out: 17, 8, 32, 2? (a) 17 (b) 8 (c) 32 (d) 2
  20. 20.Which number is the odd one out: 71, 6, 19, 43? (a) 71 (b) 6 (c) 19 (d) 43
  21. 21.Which number is the odd one out: 53, 29, 23, 63? (a) 53 (b) 29 (c) 23 (d) 63
  22. 22.Which number is the odd one out: 32, 64, 93, 16? (a) 32 (b) 64 (c) 93 (d) 16
  23. 23.Which number is the odd one out: 99, 9, 81, 41? (a) 99 (b) 9 (c) 81 (d) 41
  24. 24.Which number is the odd one out: 43, 37, 19, 55? (a) 43 (b) 37 (c) 19 (d) 55
  25. 25.Which number is the odd one out: 23, 59, 99, 97? (a) 23 (b) 59 (c) 99 (d) 97
  26. 26.Which number is the odd one out: 23, 71, 62, 67? (a) 23 (b) 71 (c) 62 (d) 67
  27. 27.Which number is the odd one out: 65, 40, 80, 27? (a) 65 (b) 40 (c) 80 (d) 27
  28. 28.Which number is the odd one out: 81, 19, 71, 41? (a) 81 (b) 19 (c) 71 (d) 41
  29. 29.Which number is the odd one out: 85, 50, 84, 15? (a) 85 (b) 50 (c) 84 (d) 15
  30. 30.Which number is the odd one out: 85, 48, 24, 8? (a) 85 (b) 48 (c) 24 (d) 8
  31. 31.Which number is the odd one out: 28, 41, 97, 61? (a) 28 (b) 41 (c) 97 (d) 61
  32. 32.Which number is the odd one out: 57, 3, 83, 67? (a) 57 (b) 3 (c) 83 (d) 67
  33. 33.Which number is the odd one out: 20, 68, 40, 80? (a) 20 (b) 68 (c) 40 (d) 80
  34. 34.Which number is the odd one out: 85, 41, 11, 71? (a) 85 (b) 41 (c) 11 (d) 71
  35. 35.Which number is the odd one out: 29, 73, 80, 17? (a) 29 (b) 73 (c) 80 (d) 17
  36. 36.Which number is the odd one out: 31, 37, 97, 15? (a) 31 (b) 37 (c) 97 (d) 15
  37. 37.Which number is the odd one out: 46, 15, 85, 75? (a) 46 (b) 15 (c) 85 (d) 75
  38. 38.Which number is the odd one out: 12, 17, 89, 67? (a) 12 (b) 17 (c) 89 (d) 67
  39. 39.Which number is the odd one out: 11, 86, 89, 17? (a) 11 (b) 86 (c) 89 (d) 17
  40. 40.Which number is the odd one out: 73, 82, 31, 97? (a) 73 (b) 82 (c) 31 (d) 97

Answer key

  1. 95
  2. 16
  3. 66
  4. 70
  5. 76
  6. 12
  7. 48
  8. 48
  9. 28
  10. 65
  11. 75
  12. 7
  13. 14
  14. 35
  15. 10
  16. 72
  17. 35
  18. 45
  19. 17
  20. 6
  21. 63
  22. 93
  23. 41
  24. 55
  25. 99
  26. 62
  27. 27
  28. 81
  29. 84
  30. 85
  31. 28
  32. 57
  33. 68
  34. 85
  35. 80
  36. 15
  37. 46
  38. 12
  39. 86
  40. 82

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