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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 803 · 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: 17, 95, 67, 13? (a) 17 (b) 95 (c) 67 (d) 13
  2. 2.Which number is the odd one out: 19, 89, 75, 13? (a) 19 (b) 89 (c) 75 (d) 13
  3. 3.Which number is the odd one out: 47, 53, 52, 13? (a) 47 (b) 53 (c) 52 (d) 13
  4. 4.Which number is the odd one out: 93, 59, 19, 67? (a) 93 (b) 59 (c) 19 (d) 67
  5. 5.Which number is the odd one out: 76, 31, 67, 43? (a) 76 (b) 31 (c) 67 (d) 43
  6. 6.Which number is the odd one out: 5, 48, 72, 18? (a) 5 (b) 48 (c) 72 (d) 18
  7. 7.Which number is the odd one out: 41, 47, 17, 9? (a) 41 (b) 47 (c) 17 (d) 9
  8. 8.Which number is the odd one out: 60, 59, 89, 15? (a) 60 (b) 59 (c) 89 (d) 15
  9. 9.Which number is the odd one out: 80, 40, 12, 60? (a) 80 (b) 40 (c) 12 (d) 60
  10. 10.Which number is the odd one out: 61, 83, 38, 13? (a) 61 (b) 83 (c) 38 (d) 13
  11. 11.Which number is the odd one out: 30, 73, 31, 83? (a) 30 (b) 73 (c) 31 (d) 83
  12. 12.Which number is the odd one out: 23, 16, 13, 31? (a) 23 (b) 16 (c) 13 (d) 31
  13. 13.Which number is the odd one out: 41, 83, 4, 11? (a) 41 (b) 83 (c) 4 (d) 11
  14. 14.Which number is the odd one out: 84, 76, 28, 6? (a) 84 (b) 76 (c) 28 (d) 6
  15. 15.Which number is the odd one out: 23, 47, 55, 71? (a) 23 (b) 47 (c) 55 (d) 71
  16. 16.Which number is the odd one out: 61, 67, 97, 76? (a) 61 (b) 67 (c) 97 (d) 76
  17. 17.Which number is the odd one out: 19, 89, 75, 37? (a) 19 (b) 89 (c) 75 (d) 37
  18. 18.Which number is the odd one out: 19, 11, 17, 94? (a) 19 (b) 11 (c) 17 (d) 94
  19. 19.Which number is the odd one out: 25, 60, 84, 42? (a) 25 (b) 60 (c) 84 (d) 42
  20. 20.Which number is the odd one out: 89, 15, 43, 29? (a) 89 (b) 15 (c) 43 (d) 29
  21. 21.Which number is the odd one out: 10, 2, 37, 31? (a) 10 (b) 2 (c) 37 (d) 31
  22. 22.Which number is the odd one out: 93, 33, 14, 39? (a) 93 (b) 33 (c) 14 (d) 39
  23. 23.Which number is the odd one out: 13, 53, 91, 67? (a) 13 (b) 53 (c) 91 (d) 67
  24. 24.Which number is the odd one out: 96, 48, 88, 73? (a) 96 (b) 48 (c) 88 (d) 73
  25. 25.Which number is the odd one out: 19, 2, 8, 29? (a) 19 (b) 2 (c) 8 (d) 29
  26. 26.Which number is the odd one out: 59, 29, 15, 31? (a) 59 (b) 29 (c) 15 (d) 31
  27. 27.Which number is the odd one out: 33, 25, 75, 69? (a) 33 (b) 25 (c) 75 (d) 69
  28. 28.Which number is the odd one out: 62, 13, 47, 71? (a) 62 (b) 13 (c) 47 (d) 71
  29. 29.Which number is the odd one out: 72, 96, 99, 85? (a) 72 (b) 96 (c) 99 (d) 85
  30. 30.Which number is the odd one out: 94, 19, 13, 97? (a) 94 (b) 19 (c) 13 (d) 97
  31. 31.Which number is the odd one out: 53, 80, 40, 8? (a) 53 (b) 80 (c) 40 (d) 8
  32. 32.Which number is the odd one out: 75, 15, 16, 65? (a) 75 (b) 15 (c) 16 (d) 65
  33. 33.Which number is the odd one out: 79, 53, 77, 67? (a) 79 (b) 53 (c) 77 (d) 67
  34. 34.Which number is the odd one out: 52, 97, 61, 2? (a) 52 (b) 97 (c) 61 (d) 2
  35. 35.Which number is the odd one out: 25, 13, 47, 19? (a) 25 (b) 13 (c) 47 (d) 19
  36. 36.Which number is the odd one out: 73, 17, 98, 61? (a) 73 (b) 17 (c) 98 (d) 61
  37. 37.Which number is the odd one out: 59, 58, 41, 2? (a) 59 (b) 58 (c) 41 (d) 2
  38. 38.Which number is the odd one out: 19, 74, 23, 79? (a) 19 (b) 74 (c) 23 (d) 79
  39. 39.Which number is the odd one out: 19, 77, 73, 83? (a) 19 (b) 77 (c) 73 (d) 83
  40. 40.Which number is the odd one out: 41, 85, 19, 71? (a) 41 (b) 85 (c) 19 (d) 71

Answer key

  1. 95
  2. 75
  3. 52
  4. 93
  5. 76
  6. 5
  7. 9
  8. 60
  9. 12
  10. 38
  11. 30
  12. 16
  13. 4
  14. 6
  15. 55
  16. 76
  17. 75
  18. 94
  19. 25
  20. 15
  21. 10
  22. 14
  23. 91
  24. 73
  25. 8
  26. 15
  27. 25
  28. 62
  29. 85
  30. 94
  31. 53
  32. 16
  33. 77
  34. 52
  35. 25
  36. 98
  37. 58
  38. 74
  39. 77
  40. 85

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