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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 69 · 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: 50, 87, 97, 3? (a) 50 (b) 87 (c) 97 (d) 3
  2. 2.Which number is the odd one out: 48, 66, 78, 88? (a) 48 (b) 66 (c) 78 (d) 88
  3. 3.Which number is the odd one out: 44, 34, 11, 68? (a) 44 (b) 34 (c) 11 (d) 68
  4. 4.Which number is the odd one out: 26, 29, 67, 97? (a) 26 (b) 29 (c) 67 (d) 97
  5. 5.Which number is the odd one out: 17, 54, 79, 99? (a) 17 (b) 54 (c) 79 (d) 99
  6. 6.Which number is the odd one out: 53, 71, 96, 37? (a) 53 (b) 71 (c) 96 (d) 37
  7. 7.Which number is the odd one out: 53, 59, 66, 47? (a) 53 (b) 59 (c) 66 (d) 47
  8. 8.Which number is the odd one out: 24, 17, 37, 2? (a) 24 (b) 17 (c) 37 (d) 2
  9. 9.Which number is the odd one out: 43, 92, 83, 47? (a) 43 (b) 92 (c) 83 (d) 47
  10. 10.Which number is the odd one out: 65, 36, 75, 85? (a) 65 (b) 36 (c) 75 (d) 85
  11. 11.Which number is the odd one out: 41, 39, 19, 17? (a) 41 (b) 39 (c) 19 (d) 17
  12. 12.Which number is the odd one out: 39, 6, 37, 53? (a) 39 (b) 6 (c) 37 (d) 53
  13. 13.Which number is the odd one out: 65, 19, 97, 53? (a) 65 (b) 19 (c) 97 (d) 53
  14. 14.Which number is the odd one out: 53, 73, 47, 12? (a) 53 (b) 73 (c) 47 (d) 12
  15. 15.Which number is the odd one out: 79, 2, 6, 19? (a) 79 (b) 2 (c) 6 (d) 19
  16. 16.Which number is the odd one out: 8, 70, 24, 48? (a) 8 (b) 70 (c) 24 (d) 48
  17. 17.Which number is the odd one out: 53, 78, 23, 19? (a) 53 (b) 78 (c) 23 (d) 19
  18. 18.Which number is the odd one out: 10, 5, 19, 2? (a) 10 (b) 5 (c) 19 (d) 2
  19. 19.Which number is the odd one out: 13, 41, 33, 59? (a) 13 (b) 41 (c) 33 (d) 59
  20. 20.Which number is the odd one out: 89, 71, 10, 17? (a) 89 (b) 71 (c) 10 (d) 17
  21. 21.Which number is the odd one out: 58, 31, 67, 11? (a) 58 (b) 31 (c) 67 (d) 11
  22. 22.Which number is the odd one out: 16, 29, 83, 97? (a) 16 (b) 29 (c) 83 (d) 97
  23. 23.Which number is the odd one out: 23, 11, 19, 27? (a) 23 (b) 11 (c) 19 (d) 27
  24. 24.Which number is the odd one out: 64, 88, 98, 16? (a) 64 (b) 88 (c) 98 (d) 16
  25. 25.Which number is the odd one out: 87, 31, 12, 43? (a) 87 (b) 31 (c) 12 (d) 43
  26. 26.Which number is the odd one out: 61, 98, 13, 89? (a) 61 (b) 98 (c) 13 (d) 89
  27. 27.Which number is the odd one out: 57, 96, 89, 43? (a) 57 (b) 96 (c) 89 (d) 43
  28. 28.Which number is the odd one out: 73, 96, 24, 6? (a) 73 (b) 96 (c) 24 (d) 6
  29. 29.Which number is the odd one out: 83, 61, 26, 41? (a) 83 (b) 61 (c) 26 (d) 41
  30. 30.Which number is the odd one out: 36, 72, 7, 16? (a) 36 (b) 72 (c) 7 (d) 16
  31. 31.Which number is the odd one out: 3, 60, 79, 2? (a) 3 (b) 60 (c) 79 (d) 2
  32. 32.Which number is the odd one out: 2, 47, 13, 4? (a) 2 (b) 47 (c) 13 (d) 4
  33. 33.Which number is the odd one out: 48, 43, 53, 17? (a) 48 (b) 43 (c) 53 (d) 17
  34. 34.Which number is the odd one out: 89, 41, 73, 18? (a) 89 (b) 41 (c) 73 (d) 18
  35. 35.Which number is the odd one out: 88, 60, 50, 24? (a) 88 (b) 60 (c) 50 (d) 24
  36. 36.Which number is the odd one out: 72, 3, 11, 19? (a) 72 (b) 3 (c) 11 (d) 19
  37. 37.Which number is the odd one out: 72, 64, 7, 36? (a) 72 (b) 64 (c) 7 (d) 36
  38. 38.Which number is the odd one out: 81, 84, 9, 36? (a) 81 (b) 84 (c) 9 (d) 36
  39. 39.Which number is the odd one out: 23, 86, 58, 94? (a) 23 (b) 86 (c) 58 (d) 94
  40. 40.Which number is the odd one out: 6, 48, 96, 31? (a) 6 (b) 48 (c) 96 (d) 31

Answer key

  1. 50
  2. 88
  3. 11
  4. 26
  5. 54
  6. 96
  7. 66
  8. 24
  9. 92
  10. 36
  11. 39
  12. 6
  13. 65
  14. 12
  15. 6
  16. 70
  17. 78
  18. 10
  19. 33
  20. 10
  21. 58
  22. 16
  23. 27
  24. 98
  25. 12
  26. 98
  27. 96
  28. 73
  29. 26
  30. 7
  31. 60
  32. 4
  33. 48
  34. 18
  35. 50
  36. 72
  37. 7
  38. 84
  39. 23
  40. 31

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