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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 585 · 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: 83, 19, 37, 48? (a) 83 (b) 19 (c) 37 (d) 48
  2. 2.Which number is the odd one out: 39, 18, 71, 59? (a) 39 (b) 18 (c) 71 (d) 59
  3. 3.Which number is the odd one out: 37, 29, 26, 17? (a) 37 (b) 29 (c) 26 (d) 17
  4. 4.Which number is the odd one out: 37, 79, 86, 29? (a) 37 (b) 79 (c) 86 (d) 29
  5. 5.Which number is the odd one out: 92, 84, 79, 42? (a) 92 (b) 84 (c) 79 (d) 42
  6. 6.Which number is the odd one out: 19, 72, 3, 47? (a) 19 (b) 72 (c) 3 (d) 47
  7. 7.Which number is the odd one out: 73, 65, 80, 71? (a) 73 (b) 65 (c) 80 (d) 71
  8. 8.Which number is the odd one out: 3, 13, 31, 99? (a) 3 (b) 13 (c) 31 (d) 99
  9. 9.Which number is the odd one out: 10, 88, 48, 24? (a) 10 (b) 88 (c) 48 (d) 24
  10. 10.Which number is the odd one out: 18, 87, 29, 79? (a) 18 (b) 87 (c) 29 (d) 79
  11. 11.Which number is the odd one out: 73, 19, 4, 2? (a) 73 (b) 19 (c) 4 (d) 2
  12. 12.Which number is the odd one out: 23, 67, 21, 13? (a) 23 (b) 67 (c) 21 (d) 13
  13. 13.Which number is the odd one out: 23, 80, 5, 61? (a) 23 (b) 80 (c) 5 (d) 61
  14. 14.Which number is the odd one out: 83, 89, 18, 19? (a) 83 (b) 89 (c) 18 (d) 19
  15. 15.Which number is the odd one out: 24, 90, 40, 54? (a) 24 (b) 90 (c) 40 (d) 54
  16. 16.Which number is the odd one out: 96, 49, 24, 28? (a) 96 (b) 49 (c) 24 (d) 28
  17. 17.Which number is the odd one out: 29, 60, 37, 15? (a) 29 (b) 60 (c) 37 (d) 15
  18. 18.Which number is the odd one out: 67, 11, 15, 73? (a) 67 (b) 11 (c) 15 (d) 73
  19. 19.Which number is the odd one out: 49, 4, 62, 92? (a) 49 (b) 4 (c) 62 (d) 92
  20. 20.Which number is the odd one out: 70, 35, 14, 67? (a) 70 (b) 35 (c) 14 (d) 67
  21. 21.Which number is the odd one out: 57, 17, 89, 29? (a) 57 (b) 17 (c) 89 (d) 29
  22. 22.Which number is the odd one out: 88, 96, 60, 32? (a) 88 (b) 96 (c) 60 (d) 32
  23. 23.Which number is the odd one out: 73, 59, 83, 42? (a) 73 (b) 59 (c) 83 (d) 42
  24. 24.Which number is the odd one out: 59, 19, 11, 15? (a) 59 (b) 19 (c) 11 (d) 15
  25. 25.Which number is the odd one out: 3, 42, 89, 29? (a) 3 (b) 42 (c) 89 (d) 29
  26. 26.Which number is the odd one out: 9, 67, 37, 97? (a) 9 (b) 67 (c) 37 (d) 97
  27. 27.Which number is the odd one out: 45, 53, 97, 61? (a) 45 (b) 53 (c) 97 (d) 61
  28. 28.Which number is the odd one out: 17, 85, 13, 83? (a) 17 (b) 85 (c) 13 (d) 83
  29. 29.Which number is the odd one out: 31, 39, 96, 73? (a) 31 (b) 39 (c) 96 (d) 73
  30. 30.Which number is the odd one out: 36, 3, 29, 71? (a) 36 (b) 3 (c) 29 (d) 71
  31. 31.Which number is the odd one out: 41, 17, 44, 53? (a) 41 (b) 17 (c) 44 (d) 53
  32. 32.Which number is the odd one out: 8, 16, 64, 84? (a) 8 (b) 16 (c) 64 (d) 84
  33. 33.Which number is the odd one out: 13, 61, 26, 73? (a) 13 (b) 61 (c) 26 (d) 73
  34. 34.Which number is the odd one out: 47, 31, 79, 78? (a) 47 (b) 31 (c) 79 (d) 78
  35. 35.Which number is the odd one out: 8, 24, 48, 35? (a) 8 (b) 24 (c) 48 (d) 35
  36. 36.Which number is the odd one out: 89, 47, 79, 94? (a) 89 (b) 47 (c) 79 (d) 94
  37. 37.Which number is the odd one out: 80, 40, 46, 32? (a) 80 (b) 40 (c) 46 (d) 32
  38. 38.Which number is the odd one out: 53, 13, 29, 88? (a) 53 (b) 13 (c) 29 (d) 88
  39. 39.Which number is the odd one out: 21, 3, 19, 37? (a) 21 (b) 3 (c) 19 (d) 37
  40. 40.Which number is the odd one out: 34, 17, 11, 41? (a) 34 (b) 17 (c) 11 (d) 41

Answer key

  1. 48
  2. 18
  3. 26
  4. 86
  5. 79
  6. 72
  7. 80
  8. 99
  9. 10
  10. 18
  11. 4
  12. 21
  13. 80
  14. 18
  15. 40
  16. 49
  17. 60
  18. 15
  19. 49
  20. 67
  21. 57
  22. 60
  23. 42
  24. 15
  25. 42
  26. 9
  27. 45
  28. 85
  29. 96
  30. 36
  31. 44
  32. 84
  33. 26
  34. 78
  35. 35
  36. 94
  37. 46
  38. 88
  39. 21
  40. 34

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