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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 316 · 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: 23, 35, 29, 13? (a) 23 (b) 35 (c) 29 (d) 13
  2. 2.Which number is the odd one out: 17, 13, 75, 97? (a) 17 (b) 13 (c) 75 (d) 97
  3. 3.Which number is the odd one out: 54, 19, 27, 6? (a) 54 (b) 19 (c) 27 (d) 6
  4. 4.Which number is the odd one out: 66, 23, 97, 59? (a) 66 (b) 23 (c) 97 (d) 59
  5. 5.Which number is the odd one out: 83, 56, 67, 31? (a) 83 (b) 56 (c) 67 (d) 31
  6. 6.Which number is the odd one out: 13, 68, 17, 2? (a) 13 (b) 68 (c) 17 (d) 2
  7. 7.Which number is the odd one out: 82, 27, 81, 9? (a) 82 (b) 27 (c) 81 (d) 9
  8. 8.Which number is the odd one out: 19, 79, 91, 59? (a) 19 (b) 79 (c) 91 (d) 59
  9. 9.Which number is the odd one out: 72, 54, 74, 24? (a) 72 (b) 54 (c) 74 (d) 24
  10. 10.Which number is the odd one out: 52, 71, 29, 89? (a) 52 (b) 71 (c) 29 (d) 89
  11. 11.Which number is the odd one out: 34, 62, 46, 57? (a) 34 (b) 62 (c) 46 (d) 57
  12. 12.Which number is the odd one out: 79, 13, 25, 5? (a) 79 (b) 13 (c) 25 (d) 5
  13. 13.Which number is the odd one out: 96, 18, 72, 37? (a) 96 (b) 18 (c) 72 (d) 37
  14. 14.Which number is the odd one out: 3, 16, 64, 32? (a) 3 (b) 16 (c) 64 (d) 32
  15. 15.Which number is the odd one out: 97, 93, 43, 89? (a) 97 (b) 93 (c) 43 (d) 89
  16. 16.Which number is the odd one out: 19, 24, 29, 69? (a) 19 (b) 24 (c) 29 (d) 69
  17. 17.Which number is the odd one out: 12, 29, 48, 96? (a) 12 (b) 29 (c) 48 (d) 96
  18. 18.Which number is the odd one out: 25, 71, 47, 59? (a) 25 (b) 71 (c) 47 (d) 59
  19. 19.Which number is the odd one out: 20, 5, 31, 17? (a) 20 (b) 5 (c) 31 (d) 17
  20. 20.Which number is the odd one out: 23, 59, 87, 6? (a) 23 (b) 59 (c) 87 (d) 6
  21. 21.Which number is the odd one out: 6, 90, 18, 15? (a) 6 (b) 90 (c) 18 (d) 15
  22. 22.Which number is the odd one out: 23, 71, 53, 24? (a) 23 (b) 71 (c) 53 (d) 24
  23. 23.Which number is the odd one out: 48, 32, 60, 88? (a) 48 (b) 32 (c) 60 (d) 88
  24. 24.Which number is the odd one out: 95, 85, 42, 55? (a) 95 (b) 85 (c) 42 (d) 55
  25. 25.Which number is the odd one out: 97, 77, 11, 79? (a) 97 (b) 77 (c) 11 (d) 79
  26. 26.Which number is the odd one out: 4, 70, 35, 91? (a) 4 (b) 70 (c) 35 (d) 91
  27. 27.Which number is the odd one out: 15, 64, 4, 80? (a) 15 (b) 64 (c) 4 (d) 80
  28. 28.Which number is the odd one out: 85, 89, 37, 11? (a) 85 (b) 89 (c) 37 (d) 11
  29. 29.Which number is the odd one out: 83, 13, 60, 19? (a) 83 (b) 13 (c) 60 (d) 19
  30. 30.Which number is the odd one out: 6, 13, 29, 69? (a) 6 (b) 13 (c) 29 (d) 69
  31. 31.Which number is the odd one out: 95, 50, 38, 85? (a) 95 (b) 50 (c) 38 (d) 85
  32. 32.Which number is the odd one out: 63, 23, 97, 83? (a) 63 (b) 23 (c) 97 (d) 83
  33. 33.Which number is the odd one out: 43, 61, 71, 68? (a) 43 (b) 61 (c) 71 (d) 68
  34. 34.Which number is the odd one out: 47, 29, 89, 74? (a) 47 (b) 29 (c) 89 (d) 74
  35. 35.Which number is the odd one out: 59, 9, 61, 31? (a) 59 (b) 9 (c) 61 (d) 31
  36. 36.Which number is the odd one out: 24, 96, 48, 34? (a) 24 (b) 96 (c) 48 (d) 34
  37. 37.Which number is the odd one out: 3, 43, 19, 15? (a) 3 (b) 43 (c) 19 (d) 15
  38. 38.Which number is the odd one out: 24, 12, 48, 93? (a) 24 (b) 12 (c) 48 (d) 93
  39. 39.Which number is the odd one out: 37, 38, 83, 11? (a) 37 (b) 38 (c) 83 (d) 11
  40. 40.Which number is the odd one out: 29, 19, 68, 89? (a) 29 (b) 19 (c) 68 (d) 89

Answer key

  1. 35
  2. 75
  3. 19
  4. 66
  5. 56
  6. 68
  7. 82
  8. 91
  9. 74
  10. 52
  11. 57
  12. 25
  13. 37
  14. 3
  15. 93
  16. 24
  17. 29
  18. 25
  19. 20
  20. 6
  21. 15
  22. 24
  23. 60
  24. 42
  25. 77
  26. 4
  27. 15
  28. 85
  29. 60
  30. 6
  31. 38
  32. 63
  33. 68
  34. 74
  35. 9
  36. 34
  37. 15
  38. 93
  39. 38
  40. 68

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