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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 694 · 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: 2, 29, 53, 26? (a) 2 (b) 29 (c) 53 (d) 26
  2. 2.Which number is the odd one out: 84, 29, 7, 2? (a) 84 (b) 29 (c) 7 (d) 2
  3. 3.Which number is the odd one out: 53, 3, 87, 83? (a) 53 (b) 3 (c) 87 (d) 83
  4. 4.Which number is the odd one out: 63, 41, 59, 3? (a) 63 (b) 41 (c) 59 (d) 3
  5. 5.Which number is the odd one out: 97, 52, 32, 8? (a) 97 (b) 52 (c) 32 (d) 8
  6. 6.Which number is the odd one out: 37, 41, 95, 97? (a) 37 (b) 41 (c) 95 (d) 97
  7. 7.Which number is the odd one out: 61, 89, 75, 67? (a) 61 (b) 89 (c) 75 (d) 67
  8. 8.Which number is the odd one out: 97, 68, 83, 53? (a) 97 (b) 68 (c) 83 (d) 53
  9. 9.Which number is the odd one out: 23, 31, 89, 18? (a) 23 (b) 31 (c) 89 (d) 18
  10. 10.Which number is the odd one out: 90, 54, 5, 6? (a) 90 (b) 54 (c) 5 (d) 6
  11. 11.Which number is the odd one out: 97, 10, 61, 2? (a) 97 (b) 10 (c) 61 (d) 2
  12. 12.Which number is the odd one out: 43, 71, 57, 13? (a) 43 (b) 71 (c) 57 (d) 13
  13. 13.Which number is the odd one out: 40, 89, 80, 5? (a) 40 (b) 89 (c) 80 (d) 5
  14. 14.Which number is the odd one out: 50, 65, 42, 35? (a) 50 (b) 65 (c) 42 (d) 35
  15. 15.Which number is the odd one out: 37, 89, 23, 85? (a) 37 (b) 89 (c) 23 (d) 85
  16. 16.Which number is the odd one out: 64, 57, 69, 87? (a) 64 (b) 57 (c) 69 (d) 87
  17. 17.Which number is the odd one out: 41, 89, 79, 33? (a) 41 (b) 89 (c) 79 (d) 33
  18. 18.Which number is the odd one out: 24, 66, 48, 99? (a) 24 (b) 66 (c) 48 (d) 99
  19. 19.Which number is the odd one out: 31, 29, 65, 5? (a) 31 (b) 29 (c) 65 (d) 5
  20. 20.Which number is the odd one out: 69, 27, 99, 41? (a) 69 (b) 27 (c) 99 (d) 41
  21. 21.Which number is the odd one out: 23, 8, 48, 24? (a) 23 (b) 8 (c) 48 (d) 24
  22. 22.Which number is the odd one out: 33, 24, 29, 53? (a) 33 (b) 24 (c) 29 (d) 53
  23. 23.Which number is the odd one out: 23, 27, 13, 59? (a) 23 (b) 27 (c) 13 (d) 59
  24. 24.Which number is the odd one out: 11, 63, 3, 7? (a) 11 (b) 63 (c) 3 (d) 7
  25. 25.Which number is the odd one out: 29, 65, 11, 53? (a) 29 (b) 65 (c) 11 (d) 53
  26. 26.Which number is the odd one out: 41, 11, 49, 17? (a) 41 (b) 11 (c) 49 (d) 17
  27. 27.Which number is the odd one out: 24, 32, 96, 2? (a) 24 (b) 32 (c) 96 (d) 2
  28. 28.Which number is the odd one out: 9, 43, 29, 13? (a) 9 (b) 43 (c) 29 (d) 13
  29. 29.Which number is the odd one out: 17, 53, 13, 66? (a) 17 (b) 53 (c) 13 (d) 66
  30. 30.Which number is the odd one out: 78, 18, 88, 72? (a) 78 (b) 18 (c) 88 (d) 72
  31. 31.Which number is the odd one out: 17, 90, 45, 18? (a) 17 (b) 90 (c) 45 (d) 18
  32. 32.Which number is the odd one out: 29, 79, 13, 54? (a) 29 (b) 79 (c) 13 (d) 54
  33. 33.Which number is the odd one out: 13, 14, 77, 97? (a) 13 (b) 14 (c) 77 (d) 97
  34. 34.Which number is the odd one out: 9, 53, 97, 17? (a) 9 (b) 53 (c) 97 (d) 17
  35. 35.Which number is the odd one out: 53, 67, 58, 43? (a) 53 (b) 67 (c) 58 (d) 43
  36. 36.Which number is the odd one out: 27, 5, 81, 9? (a) 27 (b) 5 (c) 81 (d) 9
  37. 37.Which number is the odd one out: 87, 24, 41, 83? (a) 87 (b) 24 (c) 41 (d) 83
  38. 38.Which number is the odd one out: 29, 78, 13, 23? (a) 29 (b) 78 (c) 13 (d) 23
  39. 39.Which number is the odd one out: 83, 41, 37, 45? (a) 83 (b) 41 (c) 37 (d) 45
  40. 40.Which number is the odd one out: 48, 26, 96, 8? (a) 48 (b) 26 (c) 96 (d) 8

Answer key

  1. 26
  2. 84
  3. 87
  4. 63
  5. 97
  6. 95
  7. 75
  8. 68
  9. 18
  10. 5
  11. 10
  12. 57
  13. 89
  14. 42
  15. 85
  16. 64
  17. 33
  18. 99
  19. 65
  20. 41
  21. 23
  22. 24
  23. 27
  24. 63
  25. 65
  26. 49
  27. 2
  28. 9
  29. 66
  30. 88
  31. 17
  32. 54
  33. 14
  34. 9
  35. 58
  36. 5
  37. 24
  38. 78
  39. 45
  40. 26

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