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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 664 · 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: 17, 95, 5, 59? (a) 17 (b) 95 (c) 5 (d) 59
  2. 2.Which number is the odd one out: 26, 79, 82, 62? (a) 26 (b) 79 (c) 82 (d) 62
  3. 3.Which number is the odd one out: 67, 11, 36, 17? (a) 67 (b) 11 (c) 36 (d) 17
  4. 4.Which number is the odd one out: 76, 79, 17, 83? (a) 76 (b) 79 (c) 17 (d) 83
  5. 5.Which number is the odd one out: 64, 54, 6, 36? (a) 64 (b) 54 (c) 6 (d) 36
  6. 6.Which number is the odd one out: 96, 24, 68, 7? (a) 96 (b) 24 (c) 68 (d) 7
  7. 7.Which number is the odd one out: 48, 24, 32, 77? (a) 48 (b) 24 (c) 32 (d) 77
  8. 8.Which number is the odd one out: 40, 41, 5, 13? (a) 40 (b) 41 (c) 5 (d) 13
  9. 9.Which number is the odd one out: 99, 70, 27, 63? (a) 99 (b) 70 (c) 27 (d) 63
  10. 10.Which number is the odd one out: 67, 74, 43, 61? (a) 67 (b) 74 (c) 43 (d) 61
  11. 11.Which number is the odd one out: 80, 9, 81, 16? (a) 80 (b) 9 (c) 81 (d) 16
  12. 12.Which number is the odd one out: 47, 11, 71, 85? (a) 47 (b) 11 (c) 71 (d) 85
  13. 13.Which number is the odd one out: 96, 48, 10, 8? (a) 96 (b) 48 (c) 10 (d) 8
  14. 14.Which number is the odd one out: 30, 15, 61, 6? (a) 30 (b) 15 (c) 61 (d) 6
  15. 15.Which number is the odd one out: 31, 8, 24, 48? (a) 31 (b) 8 (c) 24 (d) 48
  16. 16.Which number is the odd one out: 44, 23, 43, 79? (a) 44 (b) 23 (c) 43 (d) 79
  17. 17.Which number is the odd one out: 5, 60, 13, 39? (a) 5 (b) 60 (c) 13 (d) 39
  18. 18.Which number is the odd one out: 75, 48, 24, 6? (a) 75 (b) 48 (c) 24 (d) 6
  19. 19.Which number is the odd one out: 97, 86, 29, 2? (a) 97 (b) 86 (c) 29 (d) 2
  20. 20.Which number is the odd one out: 11, 37, 10, 29? (a) 11 (b) 37 (c) 10 (d) 29
  21. 21.Which number is the odd one out: 5, 80, 40, 11? (a) 5 (b) 80 (c) 40 (d) 11
  22. 22.Which number is the odd one out: 37, 17, 67, 70? (a) 37 (b) 17 (c) 67 (d) 70
  23. 23.Which number is the odd one out: 89, 13, 15, 37? (a) 89 (b) 13 (c) 15 (d) 37
  24. 24.Which number is the odd one out: 79, 69, 53, 83? (a) 79 (b) 69 (c) 53 (d) 83
  25. 25.Which number is the odd one out: 48, 96, 32, 85? (a) 48 (b) 96 (c) 32 (d) 85
  26. 26.Which number is the odd one out: 73, 52, 31, 41? (a) 73 (b) 52 (c) 31 (d) 41
  27. 27.Which number is the odd one out: 12, 54, 90, 40? (a) 12 (b) 54 (c) 90 (d) 40
  28. 28.Which number is the odd one out: 30, 54, 18, 90? (a) 30 (b) 54 (c) 18 (d) 90
  29. 29.Which number is the odd one out: 97, 61, 74, 47? (a) 97 (b) 61 (c) 74 (d) 47
  30. 30.Which number is the odd one out: 21, 31, 6, 7? (a) 21 (b) 31 (c) 6 (d) 7
  31. 31.Which number is the odd one out: 91, 14, 49, 4? (a) 91 (b) 14 (c) 49 (d) 4
  32. 32.Which number is the odd one out: 93, 13, 97, 43? (a) 93 (b) 13 (c) 97 (d) 43
  33. 33.Which number is the odd one out: 81, 53, 97, 59? (a) 81 (b) 53 (c) 97 (d) 59
  34. 34.Which number is the odd one out: 13, 91, 89, 73? (a) 13 (b) 91 (c) 89 (d) 73
  35. 35.Which number is the odd one out: 29, 83, 40, 47? (a) 29 (b) 83 (c) 40 (d) 47
  36. 36.Which number is the odd one out: 41, 43, 31, 14? (a) 41 (b) 43 (c) 31 (d) 14
  37. 37.Which number is the odd one out: 13, 37, 71, 33? (a) 13 (b) 37 (c) 71 (d) 33
  38. 38.Which number is the odd one out: 90, 30, 18, 32? (a) 90 (b) 30 (c) 18 (d) 32
  39. 39.Which number is the odd one out: 17, 94, 61, 13? (a) 17 (b) 94 (c) 61 (d) 13
  40. 40.Which number is the odd one out: 33, 91, 42, 6? (a) 33 (b) 91 (c) 42 (d) 6

Answer key

  1. 95
  2. 79
  3. 36
  4. 76
  5. 64
  6. 7
  7. 77
  8. 40
  9. 70
  10. 74
  11. 80
  12. 85
  13. 10
  14. 61
  15. 31
  16. 44
  17. 60
  18. 75
  19. 86
  20. 10
  21. 11
  22. 70
  23. 15
  24. 69
  25. 85
  26. 52
  27. 40
  28. 30
  29. 74
  30. 6
  31. 4
  32. 93
  33. 81
  34. 91
  35. 40
  36. 14
  37. 33
  38. 32
  39. 94
  40. 91

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