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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 441 · 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: 79, 53, 31, 42? (a) 79 (b) 53 (c) 31 (d) 42
  2. 2.Which number is the odd one out: 43, 8, 32, 76? (a) 43 (b) 8 (c) 32 (d) 76
  3. 3.Which number is the odd one out: 11, 80, 61, 37? (a) 11 (b) 80 (c) 61 (d) 37
  4. 4.Which number is the odd one out: 93, 13, 59, 17? (a) 93 (b) 13 (c) 59 (d) 17
  5. 5.Which number is the odd one out: 66, 73, 53, 11? (a) 66 (b) 73 (c) 53 (d) 11
  6. 6.Which number is the odd one out: 7, 48, 96, 28? (a) 7 (b) 48 (c) 96 (d) 28
  7. 7.Which number is the odd one out: 50, 8, 24, 96? (a) 50 (b) 8 (c) 24 (d) 96
  8. 8.Which number is the odd one out: 94, 97, 31, 37? (a) 94 (b) 97 (c) 31 (d) 37
  9. 9.Which number is the odd one out: 2, 79, 96, 41? (a) 2 (b) 79 (c) 96 (d) 41
  10. 10.Which number is the odd one out: 31, 18, 53, 61? (a) 31 (b) 18 (c) 53 (d) 61
  11. 11.Which number is the odd one out: 52, 47, 71, 61? (a) 52 (b) 47 (c) 71 (d) 61
  12. 12.Which number is the odd one out: 89, 81, 9, 27? (a) 89 (b) 81 (c) 9 (d) 27
  13. 13.Which number is the odd one out: 2, 73, 37, 82? (a) 2 (b) 73 (c) 37 (d) 82
  14. 14.Which number is the odd one out: 48, 52, 22, 24? (a) 48 (b) 52 (c) 22 (d) 24
  15. 15.Which number is the odd one out: 19, 37, 96, 97? (a) 19 (b) 37 (c) 96 (d) 97
  16. 16.Which number is the odd one out: 92, 43, 71, 61? (a) 92 (b) 43 (c) 71 (d) 61
  17. 17.Which number is the odd one out: 17, 36, 67, 2? (a) 17 (b) 36 (c) 67 (d) 2
  18. 18.Which number is the odd one out: 8, 41, 67, 73? (a) 8 (b) 41 (c) 67 (d) 73
  19. 19.Which number is the odd one out: 11, 6, 29, 89? (a) 11 (b) 6 (c) 29 (d) 89
  20. 20.Which number is the odd one out: 73, 54, 13, 2? (a) 73 (b) 54 (c) 13 (d) 2
  21. 21.Which number is the odd one out: 80, 37, 17, 2? (a) 80 (b) 37 (c) 17 (d) 2
  22. 22.Which number is the odd one out: 49, 63, 99, 27? (a) 49 (b) 63 (c) 99 (d) 27
  23. 23.Which number is the odd one out: 19, 79, 13, 24? (a) 19 (b) 79 (c) 13 (d) 24
  24. 24.Which number is the odd one out: 18, 14, 91, 63? (a) 18 (b) 14 (c) 91 (d) 63
  25. 25.Which number is the odd one out: 79, 30, 2, 41? (a) 79 (b) 30 (c) 2 (d) 41
  26. 26.Which number is the odd one out: 95, 41, 5, 65? (a) 95 (b) 41 (c) 5 (d) 65
  27. 27.Which number is the odd one out: 3, 57, 88, 71? (a) 3 (b) 57 (c) 88 (d) 71
  28. 28.Which number is the odd one out: 11, 24, 41, 59? (a) 11 (b) 24 (c) 41 (d) 59
  29. 29.Which number is the odd one out: 59, 3, 81, 11? (a) 59 (b) 3 (c) 81 (d) 11
  30. 30.Which number is the odd one out: 96, 73, 8, 24? (a) 96 (b) 73 (c) 8 (d) 24
  31. 31.Which number is the odd one out: 28, 48, 96, 77? (a) 28 (b) 48 (c) 96 (d) 77
  32. 32.Which number is the odd one out: 42, 73, 43, 89? (a) 42 (b) 73 (c) 43 (d) 89
  33. 33.Which number is the odd one out: 2, 23, 37, 17? (a) 2 (b) 23 (c) 37 (d) 17
  34. 34.Which number is the odd one out: 37, 23, 36, 3? (a) 37 (b) 23 (c) 36 (d) 3
  35. 35.Which number is the odd one out: 19, 41, 66, 67? (a) 19 (b) 41 (c) 66 (d) 67
  36. 36.Which number is the odd one out: 71, 83, 31, 36? (a) 71 (b) 83 (c) 31 (d) 36
  37. 37.Which number is the odd one out: 73, 31, 26, 83? (a) 73 (b) 31 (c) 26 (d) 83
  38. 38.Which number is the odd one out: 8, 64, 87, 16? (a) 8 (b) 64 (c) 87 (d) 16
  39. 39.Which number is the odd one out: 14, 43, 53, 37? (a) 14 (b) 43 (c) 53 (d) 37
  40. 40.Which number is the odd one out: 85, 61, 83, 41? (a) 85 (b) 61 (c) 83 (d) 41

Answer key

  1. 42
  2. 43
  3. 80
  4. 93
  5. 66
  6. 7
  7. 50
  8. 94
  9. 96
  10. 18
  11. 52
  12. 89
  13. 82
  14. 22
  15. 96
  16. 92
  17. 36
  18. 8
  19. 6
  20. 54
  21. 80
  22. 49
  23. 24
  24. 18
  25. 30
  26. 41
  27. 88
  28. 24
  29. 81
  30. 73
  31. 77
  32. 42
  33. 2
  34. 36
  35. 66
  36. 36
  37. 26
  38. 87
  39. 14
  40. 85

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