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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 781 · 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: 37, 13, 71, 4? (a) 37 (b) 13 (c) 71 (d) 4
  2. 2.Which number is the odd one out: 96, 41, 76, 48? (a) 96 (b) 41 (c) 76 (d) 48
  3. 3.Which number is the odd one out: 79, 71, 64, 17? (a) 79 (b) 71 (c) 64 (d) 17
  4. 4.Which number is the odd one out: 8, 38, 88, 32? (a) 8 (b) 38 (c) 88 (d) 32
  5. 5.Which number is the odd one out: 75, 41, 3, 15? (a) 75 (b) 41 (c) 3 (d) 15
  6. 6.Which number is the odd one out: 47, 60, 13, 59? (a) 47 (b) 60 (c) 13 (d) 59
  7. 7.Which number is the odd one out: 31, 35, 11, 79? (a) 31 (b) 35 (c) 11 (d) 79
  8. 8.Which number is the odd one out: 39, 48, 83, 29? (a) 39 (b) 48 (c) 83 (d) 29
  9. 9.Which number is the odd one out: 19, 53, 73, 95? (a) 19 (b) 53 (c) 73 (d) 95
  10. 10.Which number is the odd one out: 79, 48, 91, 7? (a) 79 (b) 48 (c) 91 (d) 7
  11. 11.Which number is the odd one out: 66, 71, 59, 31? (a) 66 (b) 71 (c) 59 (d) 31
  12. 12.Which number is the odd one out: 12, 81, 18, 9? (a) 12 (b) 81 (c) 18 (d) 9
  13. 13.Which number is the odd one out: 89, 61, 12, 73? (a) 89 (b) 61 (c) 12 (d) 73
  14. 14.Which number is the odd one out: 67, 47, 14, 11? (a) 67 (b) 47 (c) 14 (d) 11
  15. 15.Which number is the odd one out: 31, 97, 11, 70? (a) 31 (b) 97 (c) 11 (d) 70
  16. 16.Which number is the odd one out: 61, 31, 50, 71? (a) 61 (b) 31 (c) 50 (d) 71
  17. 17.Which number is the odd one out: 33, 67, 60, 19? (a) 33 (b) 67 (c) 60 (d) 19
  18. 18.Which number is the odd one out: 5, 80, 37, 43? (a) 5 (b) 80 (c) 37 (d) 43
  19. 19.Which number is the odd one out: 30, 59, 97, 61? (a) 30 (b) 59 (c) 97 (d) 61
  20. 20.Which number is the odd one out: 81, 23, 57, 9? (a) 81 (b) 23 (c) 57 (d) 9
  21. 21.Which number is the odd one out: 40, 41, 5, 71? (a) 40 (b) 41 (c) 5 (d) 71
  22. 22.Which number is the odd one out: 61, 94, 41, 23? (a) 61 (b) 94 (c) 41 (d) 23
  23. 23.Which number is the odd one out: 23, 41, 10, 29? (a) 23 (b) 41 (c) 10 (d) 29
  24. 24.Which number is the odd one out: 99, 18, 41, 23? (a) 99 (b) 18 (c) 41 (d) 23
  25. 25.Which number is the odd one out: 83, 78, 59, 17? (a) 83 (b) 78 (c) 59 (d) 17
  26. 26.Which number is the odd one out: 99, 81, 45, 25? (a) 99 (b) 81 (c) 45 (d) 25
  27. 27.Which number is the odd one out: 95, 21, 35, 55? (a) 95 (b) 21 (c) 35 (d) 55
  28. 28.Which number is the odd one out: 45, 92, 52, 20? (a) 45 (b) 92 (c) 52 (d) 20
  29. 29.Which number is the odd one out: 44, 40, 69, 80? (a) 44 (b) 40 (c) 69 (d) 80
  30. 30.Which number is the odd one out: 3, 15, 59, 13? (a) 3 (b) 15 (c) 59 (d) 13
  31. 31.Which number is the odd one out: 83, 2, 20, 5? (a) 83 (b) 2 (c) 20 (d) 5
  32. 32.Which number is the odd one out: 32, 96, 47, 24? (a) 32 (b) 96 (c) 47 (d) 24
  33. 33.Which number is the odd one out: 86, 97, 59, 37? (a) 86 (b) 97 (c) 59 (d) 37
  34. 34.Which number is the odd one out: 45, 27, 6, 15? (a) 45 (b) 27 (c) 6 (d) 15
  35. 35.Which number is the odd one out: 43, 83, 59, 95? (a) 43 (b) 83 (c) 59 (d) 95
  36. 36.Which number is the odd one out: 7, 11, 97, 84? (a) 7 (b) 11 (c) 97 (d) 84
  37. 37.Which number is the odd one out: 80, 40, 32, 79? (a) 80 (b) 40 (c) 32 (d) 79
  38. 38.Which number is the odd one out: 72, 26, 24, 54? (a) 72 (b) 26 (c) 24 (d) 54
  39. 39.Which number is the odd one out: 16, 75, 25, 64? (a) 16 (b) 75 (c) 25 (d) 64
  40. 40.Which number is the odd one out: 13, 41, 69, 3? (a) 13 (b) 41 (c) 69 (d) 3

Answer key

  1. 4
  2. 41
  3. 64
  4. 38
  5. 41
  6. 60
  7. 35
  8. 48
  9. 95
  10. 48
  11. 66
  12. 12
  13. 12
  14. 14
  15. 70
  16. 50
  17. 60
  18. 80
  19. 30
  20. 23
  21. 40
  22. 94
  23. 10
  24. 18
  25. 78
  26. 25
  27. 21
  28. 45
  29. 69
  30. 15
  31. 20
  32. 47
  33. 86
  34. 6
  35. 95
  36. 84
  37. 79
  38. 26
  39. 75
  40. 69

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