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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 835 · 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: 85, 70, 38, 35? (a) 85 (b) 70 (c) 38 (d) 35
  2. 2.Which number is the odd one out: 61, 59, 14, 13? (a) 61 (b) 59 (c) 14 (d) 13
  3. 3.Which number is the odd one out: 34, 37, 31, 13? (a) 34 (b) 37 (c) 31 (d) 13
  4. 4.Which number is the odd one out: 31, 17, 71, 55? (a) 31 (b) 17 (c) 71 (d) 55
  5. 5.Which number is the odd one out: 64, 4, 46, 16? (a) 64 (b) 4 (c) 46 (d) 16
  6. 6.Which number is the odd one out: 97, 83, 64, 67? (a) 97 (b) 83 (c) 64 (d) 67
  7. 7.Which number is the odd one out: 32, 41, 73, 53? (a) 32 (b) 41 (c) 73 (d) 53
  8. 8.Which number is the odd one out: 11, 8, 71, 29? (a) 11 (b) 8 (c) 71 (d) 29
  9. 9.Which number is the odd one out: 35, 81, 9, 49? (a) 35 (b) 81 (c) 9 (d) 49
  10. 10.Which number is the odd one out: 61, 96, 43, 2? (a) 61 (b) 96 (c) 43 (d) 2
  11. 11.Which number is the odd one out: 53, 81, 67, 19? (a) 53 (b) 81 (c) 67 (d) 19
  12. 12.Which number is the odd one out: 74, 11, 37, 73? (a) 74 (b) 11 (c) 37 (d) 73
  13. 13.Which number is the odd one out: 90, 82, 54, 30? (a) 90 (b) 82 (c) 54 (d) 30
  14. 14.Which number is the odd one out: 18, 97, 2, 17? (a) 18 (b) 97 (c) 2 (d) 17
  15. 15.Which number is the odd one out: 59, 17, 83, 38? (a) 59 (b) 17 (c) 83 (d) 38
  16. 16.Which number is the odd one out: 22, 71, 53, 29? (a) 22 (b) 71 (c) 53 (d) 29
  17. 17.Which number is the odd one out: 10, 40, 27, 80? (a) 10 (b) 40 (c) 27 (d) 80
  18. 18.Which number is the odd one out: 11, 73, 28, 31? (a) 11 (b) 73 (c) 28 (d) 31
  19. 19.Which number is the odd one out: 80, 88, 30, 24? (a) 80 (b) 88 (c) 30 (d) 24
  20. 20.Which number is the odd one out: 32, 8, 24, 66? (a) 32 (b) 8 (c) 24 (d) 66
  21. 21.Which number is the odd one out: 79, 95, 59, 17? (a) 79 (b) 95 (c) 59 (d) 17
  22. 22.Which number is the odd one out: 80, 40, 31, 8? (a) 80 (b) 40 (c) 31 (d) 8
  23. 23.Which number is the odd one out: 77, 28, 21, 36? (a) 77 (b) 28 (c) 21 (d) 36
  24. 24.Which number is the odd one out: 86, 13, 41, 73? (a) 86 (b) 13 (c) 41 (d) 73
  25. 25.Which number is the odd one out: 17, 59, 37, 92? (a) 17 (b) 59 (c) 37 (d) 92
  26. 26.Which number is the odd one out: 34, 59, 61, 31? (a) 34 (b) 59 (c) 61 (d) 31
  27. 27.Which number is the odd one out: 22, 21, 63, 27? (a) 22 (b) 21 (c) 63 (d) 27
  28. 28.Which number is the odd one out: 83, 67, 41, 18? (a) 83 (b) 67 (c) 41 (d) 18
  29. 29.Which number is the odd one out: 61, 17, 72, 43? (a) 61 (b) 17 (c) 72 (d) 43
  30. 30.Which number is the odd one out: 58, 66, 6, 11? (a) 58 (b) 66 (c) 6 (d) 11
  31. 31.Which number is the odd one out: 48, 19, 96, 24? (a) 48 (b) 19 (c) 96 (d) 24
  32. 32.Which number is the odd one out: 60, 62, 30, 20? (a) 60 (b) 62 (c) 30 (d) 20
  33. 33.Which number is the odd one out: 13, 67, 39, 47? (a) 13 (b) 67 (c) 39 (d) 47
  34. 34.Which number is the odd one out: 89, 67, 41, 72? (a) 89 (b) 67 (c) 41 (d) 72
  35. 35.Which number is the odd one out: 2, 37, 67, 20? (a) 2 (b) 37 (c) 67 (d) 20
  36. 36.Which number is the odd one out: 64, 9, 99, 16? (a) 64 (b) 9 (c) 99 (d) 16
  37. 37.Which number is the odd one out: 90, 79, 23, 17? (a) 90 (b) 79 (c) 23 (d) 17
  38. 38.Which number is the odd one out: 73, 86, 53, 41? (a) 73 (b) 86 (c) 53 (d) 41
  39. 39.Which number is the odd one out: 89, 41, 34, 83? (a) 89 (b) 41 (c) 34 (d) 83
  40. 40.Which number is the odd one out: 18, 59, 17, 83? (a) 18 (b) 59 (c) 17 (d) 83

Answer key

  1. 38
  2. 14
  3. 34
  4. 55
  5. 46
  6. 64
  7. 32
  8. 8
  9. 35
  10. 96
  11. 81
  12. 74
  13. 82
  14. 18
  15. 38
  16. 22
  17. 27
  18. 28
  19. 30
  20. 66
  21. 95
  22. 31
  23. 36
  24. 86
  25. 92
  26. 34
  27. 22
  28. 18
  29. 72
  30. 11
  31. 19
  32. 62
  33. 39
  34. 72
  35. 20
  36. 99
  37. 90
  38. 86
  39. 34
  40. 18

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