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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 634 · 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: 31, 53, 11, 8? (a) 31 (b) 53 (c) 11 (d) 8
  2. 2.Which number is the odd one out: 52, 67, 97, 23? (a) 52 (b) 67 (c) 97 (d) 23
  3. 3.Which number is the odd one out: 73, 2, 41, 16? (a) 73 (b) 2 (c) 41 (d) 16
  4. 4.Which number is the odd one out: 37, 11, 70, 89? (a) 37 (b) 11 (c) 70 (d) 89
  5. 5.Which number is the odd one out: 96, 24, 13, 88? (a) 96 (b) 24 (c) 13 (d) 88
  6. 6.Which number is the odd one out: 80, 32, 40, 62? (a) 80 (b) 32 (c) 40 (d) 62
  7. 7.Which number is the odd one out: 26, 53, 86, 2? (a) 26 (b) 53 (c) 86 (d) 2
  8. 8.Which number is the odd one out: 23, 50, 89, 11? (a) 23 (b) 50 (c) 89 (d) 11
  9. 9.Which number is the odd one out: 61, 59, 6, 29? (a) 61 (b) 59 (c) 6 (d) 29
  10. 10.Which number is the odd one out: 16, 8, 88, 81? (a) 16 (b) 8 (c) 88 (d) 81
  11. 11.Which number is the odd one out: 6, 11, 43, 39? (a) 6 (b) 11 (c) 43 (d) 39
  12. 12.Which number is the odd one out: 32, 19, 2, 79? (a) 32 (b) 19 (c) 2 (d) 79
  13. 13.Which number is the odd one out: 40, 83, 29, 23? (a) 40 (b) 83 (c) 29 (d) 23
  14. 14.Which number is the odd one out: 96, 43, 67, 39? (a) 96 (b) 43 (c) 67 (d) 39
  15. 15.Which number is the odd one out: 83, 11, 47, 12? (a) 83 (b) 11 (c) 47 (d) 12
  16. 16.Which number is the odd one out: 88, 60, 24, 40? (a) 88 (b) 60 (c) 24 (d) 40
  17. 17.Which number is the odd one out: 61, 63, 53, 29? (a) 61 (b) 63 (c) 53 (d) 29
  18. 18.Which number is the odd one out: 82, 12, 60, 30? (a) 82 (b) 12 (c) 60 (d) 30
  19. 19.Which number is the odd one out: 59, 11, 49, 67? (a) 59 (b) 11 (c) 49 (d) 67
  20. 20.Which number is the odd one out: 59, 31, 8, 43? (a) 59 (b) 31 (c) 8 (d) 43
  21. 21.Which number is the odd one out: 16, 79, 61, 47? (a) 16 (b) 79 (c) 61 (d) 47
  22. 22.Which number is the odd one out: 16, 64, 4, 93? (a) 16 (b) 64 (c) 4 (d) 93
  23. 23.Which number is the odd one out: 73, 82, 19, 11? (a) 73 (b) 82 (c) 19 (d) 11
  24. 24.Which number is the odd one out: 4, 83, 67, 41? (a) 4 (b) 83 (c) 67 (d) 41
  25. 25.Which number is the odd one out: 11, 91, 98, 79? (a) 11 (b) 91 (c) 98 (d) 79
  26. 26.Which number is the odd one out: 73, 43, 83, 55? (a) 73 (b) 43 (c) 83 (d) 55
  27. 27.Which number is the odd one out: 77, 81, 49, 9? (a) 77 (b) 81 (c) 49 (d) 9
  28. 28.Which number is the odd one out: 3, 72, 17, 23? (a) 3 (b) 72 (c) 17 (d) 23
  29. 29.Which number is the odd one out: 71, 91, 98, 14? (a) 71 (b) 91 (c) 98 (d) 14
  30. 30.Which number is the odd one out: 41, 72, 71, 2? (a) 41 (b) 72 (c) 71 (d) 2
  31. 31.Which number is the odd one out: 47, 19, 17, 30? (a) 47 (b) 19 (c) 17 (d) 30
  32. 32.Which number is the odd one out: 18, 26, 72, 24? (a) 18 (b) 26 (c) 72 (d) 24
  33. 33.Which number is the odd one out: 46, 11, 71, 19? (a) 46 (b) 11 (c) 71 (d) 19
  34. 34.Which number is the odd one out: 61, 75, 67, 59? (a) 61 (b) 75 (c) 67 (d) 59
  35. 35.Which number is the odd one out: 31, 23, 54, 89? (a) 31 (b) 23 (c) 54 (d) 89
  36. 36.Which number is the odd one out: 29, 13, 41, 87? (a) 29 (b) 13 (c) 41 (d) 87
  37. 37.Which number is the odd one out: 41, 10, 12, 60? (a) 41 (b) 10 (c) 12 (d) 60
  38. 38.Which number is the odd one out: 59, 98, 17, 89? (a) 59 (b) 98 (c) 17 (d) 89
  39. 39.Which number is the odd one out: 36, 59, 3, 19? (a) 36 (b) 59 (c) 3 (d) 19
  40. 40.Which number is the odd one out: 7, 29, 11, 70? (a) 7 (b) 29 (c) 11 (d) 70

Answer key

  1. 8
  2. 52
  3. 16
  4. 70
  5. 13
  6. 62
  7. 53
  8. 50
  9. 6
  10. 81
  11. 6
  12. 32
  13. 40
  14. 96
  15. 12
  16. 60
  17. 63
  18. 82
  19. 49
  20. 8
  21. 16
  22. 93
  23. 82
  24. 4
  25. 98
  26. 55
  27. 77
  28. 72
  29. 71
  30. 72
  31. 30
  32. 26
  33. 46
  34. 75
  35. 54
  36. 87
  37. 41
  38. 98
  39. 36
  40. 70

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