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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 317 · 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: 30, 8, 60, 78? (a) 30 (b) 8 (c) 60 (d) 78
  2. 2.Which number is the odd one out: 53, 19, 85, 67? (a) 53 (b) 19 (c) 85 (d) 67
  3. 3.Which number is the odd one out: 27, 45, 75, 99? (a) 27 (b) 45 (c) 75 (d) 99
  4. 4.Which number is the odd one out: 41, 73, 49, 79? (a) 41 (b) 73 (c) 49 (d) 79
  5. 5.Which number is the odd one out: 79, 66, 89, 87? (a) 79 (b) 66 (c) 89 (d) 87
  6. 6.Which number is the odd one out: 16, 88, 64, 71? (a) 16 (b) 88 (c) 64 (d) 71
  7. 7.Which number is the odd one out: 12, 19, 17, 37? (a) 12 (b) 19 (c) 17 (d) 37
  8. 8.Which number is the odd one out: 41, 15, 5, 37? (a) 41 (b) 15 (c) 5 (d) 37
  9. 9.Which number is the odd one out: 60, 20, 30, 29? (a) 60 (b) 20 (c) 30 (d) 29
  10. 10.Which number is the odd one out: 3, 11, 93, 79? (a) 3 (b) 11 (c) 93 (d) 79
  11. 11.Which number is the odd one out: 68, 98, 8, 56? (a) 68 (b) 98 (c) 8 (d) 56
  12. 12.Which number is the odd one out: 18, 41, 71, 11? (a) 18 (b) 41 (c) 71 (d) 11
  13. 13.Which number is the odd one out: 23, 15, 19, 29? (a) 23 (b) 15 (c) 19 (d) 29
  14. 14.Which number is the odd one out: 97, 2, 31, 37? (a) 97 (b) 2 (c) 31 (d) 37
  15. 15.Which number is the odd one out: 53, 83, 86, 29? (a) 53 (b) 83 (c) 86 (d) 29
  16. 16.Which number is the odd one out: 27, 13, 3, 17? (a) 27 (b) 13 (c) 3 (d) 17
  17. 17.Which number is the odd one out: 43, 37, 13, 8? (a) 43 (b) 37 (c) 13 (d) 8
  18. 18.Which number is the odd one out: 60, 30, 47, 76? (a) 60 (b) 30 (c) 47 (d) 76
  19. 19.Which number is the odd one out: 16, 81, 63, 64? (a) 16 (b) 81 (c) 63 (d) 64
  20. 20.Which number is the odd one out: 11, 31, 29, 55? (a) 11 (b) 31 (c) 29 (d) 55
  21. 21.Which number is the odd one out: 71, 29, 66, 79? (a) 71 (b) 29 (c) 66 (d) 79
  22. 22.Which number is the odd one out: 83, 41, 47, 93? (a) 83 (b) 41 (c) 47 (d) 93
  23. 23.Which number is the odd one out: 52, 19, 83, 13? (a) 52 (b) 19 (c) 83 (d) 13
  24. 24.Which number is the odd one out: 2, 17, 19, 14? (a) 2 (b) 17 (c) 19 (d) 14
  25. 25.Which number is the odd one out: 79, 40, 91, 7? (a) 79 (b) 40 (c) 91 (d) 7
  26. 26.Which number is the odd one out: 79, 19, 23, 34? (a) 79 (b) 19 (c) 23 (d) 34
  27. 27.Which number is the odd one out: 60, 5, 43, 67? (a) 60 (b) 5 (c) 43 (d) 67
  28. 28.Which number is the odd one out: 41, 17, 43, 85? (a) 41 (b) 17 (c) 43 (d) 85
  29. 29.Which number is the odd one out: 79, 28, 41, 7? (a) 79 (b) 28 (c) 41 (d) 7
  30. 30.Which number is the odd one out: 31, 23, 37, 68? (a) 31 (b) 23 (c) 37 (d) 68
  31. 31.Which number is the odd one out: 48, 24, 74, 32? (a) 48 (b) 24 (c) 74 (d) 32
  32. 32.Which number is the odd one out: 60, 12, 71, 30? (a) 60 (b) 12 (c) 71 (d) 30
  33. 33.Which number is the odd one out: 5, 95, 89, 53? (a) 5 (b) 95 (c) 89 (d) 53
  34. 34.Which number is the odd one out: 5, 17, 25, 59? (a) 5 (b) 17 (c) 25 (d) 59
  35. 35.Which number is the odd one out: 61, 5, 41, 30? (a) 61 (b) 5 (c) 41 (d) 30
  36. 36.Which number is the odd one out: 12, 55, 75, 95? (a) 12 (b) 55 (c) 75 (d) 95
  37. 37.Which number is the odd one out: 88, 86, 48, 24? (a) 88 (b) 86 (c) 48 (d) 24
  38. 38.Which number is the odd one out: 40, 8, 65, 88? (a) 40 (b) 8 (c) 65 (d) 88
  39. 39.Which number is the odd one out: 23, 11, 46, 37? (a) 23 (b) 11 (c) 46 (d) 37
  40. 40.Which number is the odd one out: 73, 31, 28, 67? (a) 73 (b) 31 (c) 28 (d) 67

Answer key

  1. 8
  2. 85
  3. 75
  4. 49
  5. 66
  6. 71
  7. 12
  8. 15
  9. 29
  10. 93
  11. 98
  12. 18
  13. 15
  14. 2
  15. 86
  16. 27
  17. 8
  18. 47
  19. 63
  20. 55
  21. 66
  22. 93
  23. 52
  24. 14
  25. 40
  26. 34
  27. 60
  28. 85
  29. 28
  30. 68
  31. 74
  32. 71
  33. 95
  34. 25
  35. 30
  36. 12
  37. 86
  38. 65
  39. 46
  40. 28

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