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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 622 · 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: 2, 89, 62, 59? (a) 2 (b) 89 (c) 62 (d) 59
  2. 2.Which number is the odd one out: 18, 36, 25, 60? (a) 18 (b) 36 (c) 25 (d) 60
  3. 3.Which number is the odd one out: 80, 8, 40, 17? (a) 80 (b) 8 (c) 40 (d) 17
  4. 4.Which number is the odd one out: 41, 2, 17, 82? (a) 41 (b) 2 (c) 17 (d) 82
  5. 5.Which number is the odd one out: 36, 69, 39, 87? (a) 36 (b) 69 (c) 39 (d) 87
  6. 6.Which number is the odd one out: 5, 16, 25, 64? (a) 5 (b) 16 (c) 25 (d) 64
  7. 7.Which number is the odd one out: 23, 30, 55, 53? (a) 23 (b) 30 (c) 55 (d) 53
  8. 8.Which number is the odd one out: 2, 67, 24, 3? (a) 2 (b) 67 (c) 24 (d) 3
  9. 9.Which number is the odd one out: 69, 70, 65, 93? (a) 69 (b) 70 (c) 65 (d) 93
  10. 10.Which number is the odd one out: 73, 84, 29, 83? (a) 73 (b) 84 (c) 29 (d) 83
  11. 11.Which number is the odd one out: 42, 89, 73, 61? (a) 42 (b) 89 (c) 73 (d) 61
  12. 12.Which number is the odd one out: 97, 61, 71, 88? (a) 97 (b) 61 (c) 71 (d) 88
  13. 13.Which number is the odd one out: 19, 11, 26, 67? (a) 19 (b) 11 (c) 26 (d) 67
  14. 14.Which number is the odd one out: 61, 11, 37, 25? (a) 61 (b) 11 (c) 37 (d) 25
  15. 15.Which number is the odd one out: 50, 16, 64, 88? (a) 50 (b) 16 (c) 64 (d) 88
  16. 16.Which number is the odd one out: 90, 45, 37, 18? (a) 90 (b) 45 (c) 37 (d) 18
  17. 17.Which number is the odd one out: 24, 20, 48, 32? (a) 24 (b) 20 (c) 48 (d) 32
  18. 18.Which number is the odd one out: 71, 59, 74, 11? (a) 71 (b) 59 (c) 74 (d) 11
  19. 19.Which number is the odd one out: 71, 43, 13, 12? (a) 71 (b) 43 (c) 13 (d) 12
  20. 20.Which number is the odd one out: 64, 97, 53, 37? (a) 64 (b) 97 (c) 53 (d) 37
  21. 21.Which number is the odd one out: 52, 30, 8, 96? (a) 52 (b) 30 (c) 8 (d) 96
  22. 22.Which number is the odd one out: 39, 19, 29, 59? (a) 39 (b) 19 (c) 29 (d) 59
  23. 23.Which number is the odd one out: 12, 5, 96, 48? (a) 12 (b) 5 (c) 96 (d) 48
  24. 24.Which number is the odd one out: 97, 7, 98, 83? (a) 97 (b) 7 (c) 98 (d) 83
  25. 25.Which number is the odd one out: 56, 8, 25, 28? (a) 56 (b) 8 (c) 25 (d) 28
  26. 26.Which number is the odd one out: 79, 29, 23, 26? (a) 79 (b) 29 (c) 23 (d) 26
  27. 27.Which number is the odd one out: 81, 36, 48, 9? (a) 81 (b) 36 (c) 48 (d) 9
  28. 28.Which number is the odd one out: 2, 89, 94, 11? (a) 2 (b) 89 (c) 94 (d) 11
  29. 29.Which number is the odd one out: 66, 87, 83, 23? (a) 66 (b) 87 (c) 83 (d) 23
  30. 30.Which number is the odd one out: 71, 48, 83, 23? (a) 71 (b) 48 (c) 83 (d) 23
  31. 31.Which number is the odd one out: 19, 57, 59, 3? (a) 19 (b) 57 (c) 59 (d) 3
  32. 32.Which number is the odd one out: 37, 11, 15, 41? (a) 37 (b) 11 (c) 15 (d) 41
  33. 33.Which number is the odd one out: 11, 90, 23, 41? (a) 11 (b) 90 (c) 23 (d) 41
  34. 34.Which number is the odd one out: 8, 95, 88, 32? (a) 8 (b) 95 (c) 88 (d) 32
  35. 35.Which number is the odd one out: 3, 71, 13, 9? (a) 3 (b) 71 (c) 13 (d) 9
  36. 36.Which number is the odd one out: 35, 91, 72, 70? (a) 35 (b) 91 (c) 72 (d) 70
  37. 37.Which number is the odd one out: 98, 14, 91, 97? (a) 98 (b) 14 (c) 91 (d) 97
  38. 38.Which number is the odd one out: 29, 22, 61, 79? (a) 29 (b) 22 (c) 61 (d) 79
  39. 39.Which number is the odd one out: 5, 35, 61, 67? (a) 5 (b) 35 (c) 61 (d) 67
  40. 40.Which number is the odd one out: 18, 99, 54, 19? (a) 18 (b) 99 (c) 54 (d) 19

Answer key

  1. 62
  2. 25
  3. 17
  4. 82
  5. 36
  6. 5
  7. 30
  8. 24
  9. 70
  10. 84
  11. 42
  12. 88
  13. 26
  14. 25
  15. 50
  16. 37
  17. 20
  18. 74
  19. 12
  20. 64
  21. 30
  22. 39
  23. 5
  24. 98
  25. 25
  26. 26
  27. 48
  28. 94
  29. 66
  30. 48
  31. 57
  32. 15
  33. 90
  34. 95
  35. 9
  36. 72
  37. 97
  38. 22
  39. 35
  40. 19

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