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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 965 · 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: 91, 14, 21, 60? (a) 91 (b) 14 (c) 21 (d) 60
  2. 2.Which number is the odd one out: 60, 12, 10, 6? (a) 60 (b) 12 (c) 10 (d) 6
  3. 3.Which number is the odd one out: 6, 78, 23, 66? (a) 6 (b) 78 (c) 23 (d) 66
  4. 4.Which number is the odd one out: 13, 61, 91, 73? (a) 13 (b) 61 (c) 91 (d) 73
  5. 5.Which number is the odd one out: 19, 7, 67, 84? (a) 19 (b) 7 (c) 67 (d) 84
  6. 6.Which number is the odd one out: 20, 96, 95, 85? (a) 20 (b) 96 (c) 95 (d) 85
  7. 7.Which number is the odd one out: 32, 85, 70, 35? (a) 32 (b) 85 (c) 70 (d) 35
  8. 8.Which number is the odd one out: 4, 16, 76, 64? (a) 4 (b) 16 (c) 76 (d) 64
  9. 9.Which number is the odd one out: 6, 2, 59, 31? (a) 6 (b) 2 (c) 59 (d) 31
  10. 10.Which number is the odd one out: 13, 38, 31, 71? (a) 13 (b) 38 (c) 31 (d) 71
  11. 11.Which number is the odd one out: 67, 86, 17, 79? (a) 67 (b) 86 (c) 17 (d) 79
  12. 12.Which number is the odd one out: 93, 11, 3, 59? (a) 93 (b) 11 (c) 3 (d) 59
  13. 13.Which number is the odd one out: 37, 19, 41, 60? (a) 37 (b) 19 (c) 41 (d) 60
  14. 14.Which number is the odd one out: 16, 6, 66, 48? (a) 16 (b) 6 (c) 66 (d) 48
  15. 15.Which number is the odd one out: 78, 25, 54, 90? (a) 78 (b) 25 (c) 54 (d) 90
  16. 16.Which number is the odd one out: 20, 82, 88, 40? (a) 20 (b) 82 (c) 88 (d) 40
  17. 17.Which number is the odd one out: 41, 60, 59, 51? (a) 41 (b) 60 (c) 59 (d) 51
  18. 18.Which number is the odd one out: 22, 4, 16, 88? (a) 22 (b) 4 (c) 16 (d) 88
  19. 19.Which number is the odd one out: 29, 11, 85, 41? (a) 29 (b) 11 (c) 85 (d) 41
  20. 20.Which number is the odd one out: 72, 29, 11, 43? (a) 72 (b) 29 (c) 11 (d) 43
  21. 21.Which number is the odd one out: 76, 12, 54, 18? (a) 76 (b) 12 (c) 54 (d) 18
  22. 22.Which number is the odd one out: 43, 79, 8, 71? (a) 43 (b) 79 (c) 8 (d) 71
  23. 23.Which number is the odd one out: 59, 29, 53, 28? (a) 59 (b) 29 (c) 53 (d) 28
  24. 24.Which number is the odd one out: 47, 61, 4, 67? (a) 47 (b) 61 (c) 4 (d) 67
  25. 25.Which number is the odd one out: 29, 54, 47, 13? (a) 29 (b) 54 (c) 47 (d) 13
  26. 26.Which number is the odd one out: 18, 17, 11, 41? (a) 18 (b) 17 (c) 11 (d) 41
  27. 27.Which number is the odd one out: 55, 60, 85, 12? (a) 55 (b) 60 (c) 85 (d) 12
  28. 28.Which number is the odd one out: 60, 24, 80, 8? (a) 60 (b) 24 (c) 80 (d) 8
  29. 29.Which number is the odd one out: 41, 61, 19, 70? (a) 41 (b) 61 (c) 19 (d) 70
  30. 30.Which number is the odd one out: 11, 89, 4, 17? (a) 11 (b) 89 (c) 4 (d) 17
  31. 31.Which number is the odd one out: 67, 59, 41, 62? (a) 67 (b) 59 (c) 41 (d) 62
  32. 32.Which number is the odd one out: 80, 95, 65, 96? (a) 80 (b) 95 (c) 65 (d) 96
  33. 33.Which number is the odd one out: 83, 67, 59, 63? (a) 83 (b) 67 (c) 59 (d) 63
  34. 34.Which number is the odd one out: 89, 3, 27, 97? (a) 89 (b) 3 (c) 27 (d) 97
  35. 35.Which number is the odd one out: 89, 71, 85, 79? (a) 89 (b) 71 (c) 85 (d) 79
  36. 36.Which number is the odd one out: 66, 54, 18, 53? (a) 66 (b) 54 (c) 18 (d) 53
  37. 37.Which number is the odd one out: 15, 79, 37, 11? (a) 15 (b) 79 (c) 37 (d) 11
  38. 38.Which number is the odd one out: 24, 53, 88, 96? (a) 24 (b) 53 (c) 88 (d) 96
  39. 39.Which number is the odd one out: 29, 67, 61, 68? (a) 29 (b) 67 (c) 61 (d) 68
  40. 40.Which number is the odd one out: 67, 66, 54, 18? (a) 67 (b) 66 (c) 54 (d) 18

Answer key

  1. 60
  2. 10
  3. 23
  4. 91
  5. 84
  6. 96
  7. 32
  8. 76
  9. 6
  10. 38
  11. 86
  12. 93
  13. 60
  14. 16
  15. 25
  16. 82
  17. 60
  18. 22
  19. 85
  20. 72
  21. 76
  22. 8
  23. 28
  24. 4
  25. 54
  26. 18
  27. 12
  28. 60
  29. 70
  30. 4
  31. 62
  32. 96
  33. 63
  34. 27
  35. 85
  36. 53
  37. 15
  38. 53
  39. 68
  40. 67

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