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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 192 · 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, 43, 79, 59? (a) 30 (b) 43 (c) 79 (d) 59
  2. 2.Which number is the odd one out: 47, 84, 29, 3? (a) 47 (b) 84 (c) 29 (d) 3
  3. 3.Which number is the odd one out: 37, 26, 38, 74? (a) 37 (b) 26 (c) 38 (d) 74
  4. 4.Which number is the odd one out: 31, 29, 83, 21? (a) 31 (b) 29 (c) 83 (d) 21
  5. 5.Which number is the odd one out: 89, 84, 41, 59? (a) 89 (b) 84 (c) 41 (d) 59
  6. 6.Which number is the odd one out: 41, 49, 29, 67? (a) 41 (b) 49 (c) 29 (d) 67
  7. 7.Which number is the odd one out: 43, 6, 59, 61? (a) 43 (b) 6 (c) 59 (d) 61
  8. 8.Which number is the odd one out: 48, 57, 24, 96? (a) 48 (b) 57 (c) 24 (d) 96
  9. 9.Which number is the odd one out: 28, 61, 89, 7? (a) 28 (b) 61 (c) 89 (d) 7
  10. 10.Which number is the odd one out: 83, 2, 76, 92? (a) 83 (b) 2 (c) 76 (d) 92
  11. 11.Which number is the odd one out: 76, 73, 41, 17? (a) 76 (b) 73 (c) 41 (d) 17
  12. 12.Which number is the odd one out: 92, 61, 41, 47? (a) 92 (b) 61 (c) 41 (d) 47
  13. 13.Which number is the odd one out: 36, 19, 31, 23? (a) 36 (b) 19 (c) 31 (d) 23
  14. 14.Which number is the odd one out: 2, 40, 43, 17? (a) 2 (b) 40 (c) 43 (d) 17
  15. 15.Which number is the odd one out: 19, 71, 83, 86? (a) 19 (b) 71 (c) 83 (d) 86
  16. 16.Which number is the odd one out: 82, 83, 53, 67? (a) 82 (b) 83 (c) 53 (d) 67
  17. 17.Which number is the odd one out: 20, 16, 95, 64? (a) 20 (b) 16 (c) 95 (d) 64
  18. 18.Which number is the odd one out: 10, 37, 53, 5? (a) 10 (b) 37 (c) 53 (d) 5
  19. 19.Which number is the odd one out: 61, 85, 29, 5? (a) 61 (b) 85 (c) 29 (d) 5
  20. 20.Which number is the odd one out: 17, 79, 15, 19? (a) 17 (b) 79 (c) 15 (d) 19
  21. 21.Which number is the odd one out: 15, 54, 90, 6? (a) 15 (b) 54 (c) 90 (d) 6
  22. 22.Which number is the odd one out: 47, 48, 71, 17? (a) 47 (b) 48 (c) 71 (d) 17
  23. 23.Which number is the odd one out: 29, 53, 21, 84? (a) 29 (b) 53 (c) 21 (d) 84
  24. 24.Which number is the odd one out: 23, 79, 29, 32? (a) 23 (b) 79 (c) 29 (d) 32
  25. 25.Which number is the odd one out: 2, 23, 20, 29? (a) 2 (b) 23 (c) 20 (d) 29
  26. 26.Which number is the odd one out: 80, 40, 57, 75? (a) 80 (b) 40 (c) 57 (d) 75
  27. 27.Which number is the odd one out: 67, 14, 13, 11? (a) 67 (b) 14 (c) 13 (d) 11
  28. 28.Which number is the odd one out: 31, 16, 2, 79? (a) 31 (b) 16 (c) 2 (d) 79
  29. 29.Which number is the odd one out: 32, 6, 88, 24? (a) 32 (b) 6 (c) 88 (d) 24
  30. 30.Which number is the odd one out: 86, 20, 76, 5? (a) 86 (b) 20 (c) 76 (d) 5
  31. 31.Which number is the odd one out: 47, 28, 61, 23? (a) 47 (b) 28 (c) 61 (d) 23
  32. 32.Which number is the odd one out: 50, 29, 73, 43? (a) 50 (b) 29 (c) 73 (d) 43
  33. 33.Which number is the odd one out: 75, 95, 12, 55? (a) 75 (b) 95 (c) 12 (d) 55
  34. 34.Which number is the odd one out: 10, 65, 21, 70? (a) 10 (b) 65 (c) 21 (d) 70
  35. 35.Which number is the odd one out: 61, 11, 22, 97? (a) 61 (b) 11 (c) 22 (d) 97
  36. 36.Which number is the odd one out: 29, 44, 89, 19? (a) 29 (b) 44 (c) 89 (d) 19
  37. 37.Which number is the odd one out: 8, 25, 24, 96? (a) 8 (b) 25 (c) 24 (d) 96
  38. 38.Which number is the odd one out: 41, 95, 83, 31? (a) 41 (b) 95 (c) 83 (d) 31
  39. 39.Which number is the odd one out: 73, 9, 36, 11? (a) 73 (b) 9 (c) 36 (d) 11
  40. 40.Which number is the odd one out: 83, 81, 17, 73? (a) 83 (b) 81 (c) 17 (d) 73

Answer key

  1. 30
  2. 84
  3. 37
  4. 21
  5. 84
  6. 49
  7. 6
  8. 57
  9. 28
  10. 83
  11. 76
  12. 92
  13. 36
  14. 40
  15. 86
  16. 82
  17. 95
  18. 10
  19. 85
  20. 15
  21. 15
  22. 48
  23. 84
  24. 32
  25. 20
  26. 57
  27. 14
  28. 16
  29. 6
  30. 5
  31. 28
  32. 50
  33. 12
  34. 21
  35. 22
  36. 44
  37. 25
  38. 95
  39. 36
  40. 81

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