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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 950 · 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: 80, 95, 8, 32? (a) 80 (b) 95 (c) 8 (d) 32
  2. 2.Which number is the odd one out: 96, 97, 12, 32? (a) 96 (b) 97 (c) 12 (d) 32
  3. 3.Which number is the odd one out: 75, 29, 12, 60? (a) 75 (b) 29 (c) 12 (d) 60
  4. 4.Which number is the odd one out: 88, 84, 56, 24? (a) 88 (b) 84 (c) 56 (d) 24
  5. 5.Which number is the odd one out: 52, 8, 32, 10? (a) 52 (b) 8 (c) 32 (d) 10
  6. 6.Which number is the odd one out: 21, 7, 67, 41? (a) 21 (b) 7 (c) 67 (d) 41
  7. 7.Which number is the odd one out: 44, 92, 17, 68? (a) 44 (b) 92 (c) 17 (d) 68
  8. 8.Which number is the odd one out: 19, 62, 43, 61? (a) 19 (b) 62 (c) 43 (d) 61
  9. 9.Which number is the odd one out: 31, 89, 16, 67? (a) 31 (b) 89 (c) 16 (d) 67
  10. 10.Which number is the odd one out: 71, 19, 13, 52? (a) 71 (b) 19 (c) 13 (d) 52
  11. 11.Which number is the odd one out: 72, 4, 36, 48? (a) 72 (b) 4 (c) 36 (d) 48
  12. 12.Which number is the odd one out: 50, 53, 23, 5? (a) 50 (b) 53 (c) 23 (d) 5
  13. 13.Which number is the odd one out: 41, 15, 89, 37? (a) 41 (b) 15 (c) 89 (d) 37
  14. 14.Which number is the odd one out: 88, 96, 48, 82? (a) 88 (b) 96 (c) 48 (d) 82
  15. 15.Which number is the odd one out: 13, 18, 53, 2? (a) 13 (b) 18 (c) 53 (d) 2
  16. 16.Which number is the odd one out: 53, 4, 23, 41? (a) 53 (b) 4 (c) 23 (d) 41
  17. 17.Which number is the odd one out: 98, 35, 30, 77? (a) 98 (b) 35 (c) 30 (d) 77
  18. 18.Which number is the odd one out: 41, 6, 13, 73? (a) 41 (b) 6 (c) 13 (d) 73
  19. 19.Which number is the odd one out: 83, 66, 39, 29? (a) 83 (b) 66 (c) 39 (d) 29
  20. 20.Which number is the odd one out: 47, 67, 83, 82? (a) 47 (b) 67 (c) 83 (d) 82
  21. 21.Which number is the odd one out: 14, 49, 63, 36? (a) 14 (b) 49 (c) 63 (d) 36
  22. 22.Which number is the odd one out: 45, 42, 90, 27? (a) 45 (b) 42 (c) 90 (d) 27
  23. 23.Which number is the odd one out: 74, 54, 78, 18? (a) 74 (b) 54 (c) 78 (d) 18
  24. 24.Which number is the odd one out: 34, 64, 16, 68? (a) 34 (b) 64 (c) 16 (d) 68
  25. 25.Which number is the odd one out: 12, 18, 90, 20? (a) 12 (b) 18 (c) 90 (d) 20
  26. 26.Which number is the odd one out: 96, 8, 37, 24? (a) 96 (b) 8 (c) 37 (d) 24
  27. 27.Which number is the odd one out: 17, 77, 61, 11? (a) 17 (b) 77 (c) 61 (d) 11
  28. 28.Which number is the odd one out: 31, 37, 43, 27? (a) 31 (b) 37 (c) 43 (d) 27
  29. 29.Which number is the odd one out: 37, 97, 28, 43? (a) 37 (b) 97 (c) 28 (d) 43
  30. 30.Which number is the odd one out: 89, 31, 26, 53? (a) 89 (b) 31 (c) 26 (d) 53
  31. 31.Which number is the odd one out: 80, 40, 32, 74? (a) 80 (b) 40 (c) 32 (d) 74
  32. 32.Which number is the odd one out: 88, 24, 48, 38? (a) 88 (b) 24 (c) 48 (d) 38
  33. 33.Which number is the odd one out: 19, 13, 75, 11? (a) 19 (b) 13 (c) 75 (d) 11
  34. 34.Which number is the odd one out: 44, 68, 95, 52? (a) 44 (b) 68 (c) 95 (d) 52
  35. 35.Which number is the odd one out: 12, 31, 59, 17? (a) 12 (b) 31 (c) 59 (d) 17
  36. 36.Which number is the odd one out: 77, 32, 96, 48? (a) 77 (b) 32 (c) 96 (d) 48
  37. 37.Which number is the odd one out: 59, 43, 44, 71? (a) 59 (b) 43 (c) 44 (d) 71
  38. 38.Which number is the odd one out: 53, 23, 78, 2? (a) 53 (b) 23 (c) 78 (d) 2
  39. 39.Which number is the odd one out: 83, 46, 53, 67? (a) 83 (b) 46 (c) 53 (d) 67
  40. 40.Which number is the odd one out: 40, 79, 19, 53? (a) 40 (b) 79 (c) 19 (d) 53

Answer key

  1. 95
  2. 97
  3. 29
  4. 84
  5. 10
  6. 21
  7. 17
  8. 62
  9. 16
  10. 52
  11. 4
  12. 50
  13. 15
  14. 82
  15. 18
  16. 4
  17. 30
  18. 6
  19. 66
  20. 82
  21. 36
  22. 42
  23. 74
  24. 34
  25. 20
  26. 37
  27. 77
  28. 27
  29. 28
  30. 26
  31. 74
  32. 38
  33. 75
  34. 95
  35. 12
  36. 77
  37. 44
  38. 78
  39. 46
  40. 40

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