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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 452 · 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: 99, 18, 24, 48? (a) 99 (b) 18 (c) 24 (d) 48
  2. 2.Which number is the odd one out: 14, 97, 61, 41? (a) 14 (b) 97 (c) 61 (d) 41
  3. 3.Which number is the odd one out: 5, 55, 73, 97? (a) 5 (b) 55 (c) 73 (d) 97
  4. 4.Which number is the odd one out: 13, 23, 36, 83? (a) 13 (b) 23 (c) 36 (d) 83
  5. 5.Which number is the odd one out: 18, 11, 69, 54? (a) 18 (b) 11 (c) 69 (d) 54
  6. 6.Which number is the odd one out: 46, 28, 56, 8? (a) 46 (b) 28 (c) 56 (d) 8
  7. 7.Which number is the odd one out: 89, 97, 21, 19? (a) 89 (b) 97 (c) 21 (d) 19
  8. 8.Which number is the odd one out: 8, 49, 56, 32? (a) 8 (b) 49 (c) 56 (d) 32
  9. 9.Which number is the odd one out: 23, 2, 5, 10? (a) 23 (b) 2 (c) 5 (d) 10
  10. 10.Which number is the odd one out: 23, 73, 11, 9? (a) 23 (b) 73 (c) 11 (d) 9
  11. 11.Which number is the odd one out: 35, 23, 13, 11? (a) 35 (b) 23 (c) 13 (d) 11
  12. 12.Which number is the odd one out: 48, 15, 72, 18? (a) 48 (b) 15 (c) 72 (d) 18
  13. 13.Which number is the odd one out: 96, 87, 47, 24? (a) 96 (b) 87 (c) 47 (d) 24
  14. 14.Which number is the odd one out: 31, 97, 51, 43? (a) 31 (b) 97 (c) 51 (d) 43
  15. 15.Which number is the odd one out: 17, 30, 11, 71? (a) 17 (b) 30 (c) 11 (d) 71
  16. 16.Which number is the odd one out: 9, 67, 41, 71? (a) 9 (b) 67 (c) 41 (d) 71
  17. 17.Which number is the odd one out: 64, 25, 45, 16? (a) 64 (b) 25 (c) 45 (d) 16
  18. 18.Which number is the odd one out: 19, 84, 7, 31? (a) 19 (b) 84 (c) 7 (d) 31
  19. 19.Which number is the odd one out: 54, 24, 23, 72? (a) 54 (b) 24 (c) 23 (d) 72
  20. 20.Which number is the odd one out: 12, 87, 60, 30? (a) 12 (b) 87 (c) 60 (d) 30
  21. 21.Which number is the odd one out: 86, 71, 59, 37? (a) 86 (b) 71 (c) 59 (d) 37
  22. 22.Which number is the odd one out: 92, 11, 41, 13? (a) 92 (b) 11 (c) 41 (d) 13
  23. 23.Which number is the odd one out: 82, 94, 62, 51? (a) 82 (b) 94 (c) 62 (d) 51
  24. 24.Which number is the odd one out: 67, 81, 89, 79? (a) 67 (b) 81 (c) 89 (d) 79
  25. 25.Which number is the odd one out: 37, 75, 5, 79? (a) 37 (b) 75 (c) 5 (d) 79
  26. 26.Which number is the odd one out: 93, 20, 15, 51? (a) 93 (b) 20 (c) 15 (d) 51
  27. 27.Which number is the odd one out: 39, 41, 71, 79? (a) 39 (b) 41 (c) 71 (d) 79
  28. 28.Which number is the odd one out: 11, 67, 7, 35? (a) 11 (b) 67 (c) 7 (d) 35
  29. 29.Which number is the odd one out: 99, 31, 19, 53? (a) 99 (b) 31 (c) 19 (d) 53
  30. 30.Which number is the odd one out: 3, 39, 40, 71? (a) 3 (b) 39 (c) 40 (d) 71
  31. 31.Which number is the odd one out: 3, 2, 92, 68? (a) 3 (b) 2 (c) 92 (d) 68
  32. 32.Which number is the odd one out: 67, 23, 47, 58? (a) 67 (b) 23 (c) 47 (d) 58
  33. 33.Which number is the odd one out: 6, 66, 55, 78? (a) 6 (b) 66 (c) 55 (d) 78
  34. 34.Which number is the odd one out: 20, 37, 5, 79? (a) 20 (b) 37 (c) 5 (d) 79
  35. 35.Which number is the odd one out: 84, 3, 2, 23? (a) 84 (b) 3 (c) 2 (d) 23
  36. 36.Which number is the odd one out: 48, 96, 32, 79? (a) 48 (b) 96 (c) 32 (d) 79
  37. 37.Which number is the odd one out: 19, 53, 40, 11? (a) 19 (b) 53 (c) 40 (d) 11
  38. 38.Which number is the odd one out: 31, 40, 73, 43? (a) 31 (b) 40 (c) 73 (d) 43
  39. 39.Which number is the odd one out: 3, 11, 83, 60? (a) 3 (b) 11 (c) 83 (d) 60
  40. 40.Which number is the odd one out: 53, 59, 97, 76? (a) 53 (b) 59 (c) 97 (d) 76

Answer key

  1. 99
  2. 14
  3. 55
  4. 36
  5. 11
  6. 46
  7. 21
  8. 49
  9. 10
  10. 9
  11. 35
  12. 15
  13. 47
  14. 51
  15. 30
  16. 9
  17. 45
  18. 84
  19. 23
  20. 87
  21. 86
  22. 92
  23. 51
  24. 81
  25. 75
  26. 20
  27. 39
  28. 35
  29. 99
  30. 40
  31. 3
  32. 58
  33. 55
  34. 20
  35. 84
  36. 79
  37. 40
  38. 40
  39. 60
  40. 76

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