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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 476 · 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: 80, 96, 48, 24? (a) 80 (b) 96 (c) 48 (d) 24
  2. 2.Which number is the odd one out: 16, 23, 97, 31? (a) 16 (b) 23 (c) 97 (d) 31
  3. 3.Which number is the odd one out: 95, 35, 75, 21? (a) 95 (b) 35 (c) 75 (d) 21
  4. 4.Which number is the odd one out: 33, 71, 67, 43? (a) 33 (b) 71 (c) 67 (d) 43
  5. 5.Which number is the odd one out: 8, 66, 24, 6? (a) 8 (b) 66 (c) 24 (d) 6
  6. 6.Which number is the odd one out: 27, 11, 41, 59? (a) 27 (b) 11 (c) 41 (d) 59
  7. 7.Which number is the odd one out: 39, 31, 83, 37? (a) 39 (b) 31 (c) 83 (d) 37
  8. 8.Which number is the odd one out: 13, 88, 48, 96? (a) 13 (b) 88 (c) 48 (d) 96
  9. 9.Which number is the odd one out: 45, 41, 47, 13? (a) 45 (b) 41 (c) 47 (d) 13
  10. 10.Which number is the odd one out: 2, 14, 23, 37? (a) 2 (b) 14 (c) 23 (d) 37
  11. 11.Which number is the odd one out: 72, 89, 79, 41? (a) 72 (b) 89 (c) 79 (d) 41
  12. 12.Which number is the odd one out: 68, 88, 32, 3? (a) 68 (b) 88 (c) 32 (d) 3
  13. 13.Which number is the odd one out: 67, 17, 73, 98? (a) 67 (b) 17 (c) 73 (d) 98
  14. 14.Which number is the odd one out: 40, 67, 80, 65? (a) 40 (b) 67 (c) 80 (d) 65
  15. 15.Which number is the odd one out: 72, 75, 95, 20? (a) 72 (b) 75 (c) 95 (d) 20
  16. 16.Which number is the odd one out: 68, 23, 47, 61? (a) 68 (b) 23 (c) 47 (d) 61
  17. 17.Which number is the odd one out: 32, 12, 22, 48? (a) 32 (b) 12 (c) 22 (d) 48
  18. 18.Which number is the odd one out: 37, 3, 27, 43? (a) 37 (b) 3 (c) 27 (d) 43
  19. 19.Which number is the odd one out: 86, 48, 96, 92? (a) 86 (b) 48 (c) 96 (d) 92
  20. 20.Which number is the odd one out: 83, 91, 41, 73? (a) 83 (b) 91 (c) 41 (d) 73
  21. 21.Which number is the odd one out: 82, 97, 83, 37? (a) 82 (b) 97 (c) 83 (d) 37
  22. 22.Which number is the odd one out: 80, 92, 7, 40? (a) 80 (b) 92 (c) 7 (d) 40
  23. 23.Which number is the odd one out: 23, 13, 17, 57? (a) 23 (b) 13 (c) 17 (d) 57
  24. 24.Which number is the odd one out: 91, 61, 43, 29? (a) 91 (b) 61 (c) 43 (d) 29
  25. 25.Which number is the odd one out: 73, 11, 47, 36? (a) 73 (b) 11 (c) 47 (d) 36
  26. 26.Which number is the odd one out: 47, 89, 29, 48? (a) 47 (b) 89 (c) 29 (d) 48
  27. 27.Which number is the odd one out: 24, 32, 79, 48? (a) 24 (b) 32 (c) 79 (d) 48
  28. 28.Which number is the odd one out: 81, 99, 9, 56? (a) 81 (b) 99 (c) 9 (d) 56
  29. 29.Which number is the odd one out: 88, 43, 44, 8? (a) 88 (b) 43 (c) 44 (d) 8
  30. 30.Which number is the odd one out: 97, 17, 52, 67? (a) 97 (b) 17 (c) 52 (d) 67
  31. 31.Which number is the odd one out: 96, 54, 68, 8? (a) 96 (b) 54 (c) 68 (d) 8
  32. 32.Which number is the odd one out: 78, 69, 95, 66? (a) 78 (b) 69 (c) 95 (d) 66
  33. 33.Which number is the odd one out: 75, 28, 55, 57? (a) 75 (b) 28 (c) 55 (d) 57
  34. 34.Which number is the odd one out: 12, 15, 95, 55? (a) 12 (b) 15 (c) 95 (d) 55
  35. 35.Which number is the odd one out: 83, 94, 37, 13? (a) 83 (b) 94 (c) 37 (d) 13
  36. 36.Which number is the odd one out: 18, 29, 13, 89? (a) 18 (b) 29 (c) 13 (d) 89
  37. 37.Which number is the odd one out: 64, 70, 16, 28? (a) 64 (b) 70 (c) 16 (d) 28
  38. 38.Which number is the odd one out: 24, 73, 43, 61? (a) 24 (b) 73 (c) 43 (d) 61
  39. 39.Which number is the odd one out: 19, 89, 73, 28? (a) 19 (b) 89 (c) 73 (d) 28
  40. 40.Which number is the odd one out: 61, 82, 43, 53? (a) 61 (b) 82 (c) 43 (d) 53

Answer key

  1. 80
  2. 16
  3. 21
  4. 33
  5. 8
  6. 27
  7. 39
  8. 13
  9. 45
  10. 14
  11. 72
  12. 3
  13. 98
  14. 67
  15. 72
  16. 68
  17. 22
  18. 27
  19. 86
  20. 91
  21. 82
  22. 7
  23. 57
  24. 91
  25. 36
  26. 48
  27. 79
  28. 56
  29. 43
  30. 52
  31. 54
  32. 95
  33. 28
  34. 12
  35. 94
  36. 18
  37. 70
  38. 24
  39. 28
  40. 82

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