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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 886 · 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: 89, 11, 72, 47? (a) 89 (b) 11 (c) 72 (d) 47
  2. 2.Which number is the odd one out: 39, 48, 24, 6? (a) 39 (b) 48 (c) 24 (d) 6
  3. 3.Which number is the odd one out: 83, 7, 21, 41? (a) 83 (b) 7 (c) 21 (d) 41
  4. 4.Which number is the odd one out: 13, 37, 97, 74? (a) 13 (b) 37 (c) 97 (d) 74
  5. 5.Which number is the odd one out: 42, 91, 6, 57? (a) 42 (b) 91 (c) 6 (d) 57
  6. 6.Which number is the odd one out: 41, 56, 67, 13? (a) 41 (b) 56 (c) 67 (d) 13
  7. 7.Which number is the odd one out: 13, 8, 71, 89? (a) 13 (b) 8 (c) 71 (d) 89
  8. 8.Which number is the odd one out: 67, 13, 83, 88? (a) 67 (b) 13 (c) 83 (d) 88
  9. 9.Which number is the odd one out: 9, 36, 60, 45? (a) 9 (b) 36 (c) 60 (d) 45
  10. 10.Which number is the odd one out: 47, 59, 24, 31? (a) 47 (b) 59 (c) 24 (d) 31
  11. 11.Which number is the odd one out: 66, 37, 71, 79? (a) 66 (b) 37 (c) 71 (d) 79
  12. 12.Which number is the odd one out: 48, 32, 86, 96? (a) 48 (b) 32 (c) 86 (d) 96
  13. 13.Which number is the odd one out: 14, 17, 53, 7? (a) 14 (b) 17 (c) 53 (d) 7
  14. 14.Which number is the odd one out: 97, 68, 19, 41? (a) 97 (b) 68 (c) 19 (d) 41
  15. 15.Which number is the odd one out: 24, 61, 29, 13? (a) 24 (b) 61 (c) 29 (d) 13
  16. 16.Which number is the odd one out: 6, 75, 5, 89? (a) 6 (b) 75 (c) 5 (d) 89
  17. 17.Which number is the odd one out: 41, 7, 56, 59? (a) 41 (b) 7 (c) 56 (d) 59
  18. 18.Which number is the odd one out: 21, 77, 54, 14? (a) 21 (b) 77 (c) 54 (d) 14
  19. 19.Which number is the odd one out: 16, 86, 44, 64? (a) 16 (b) 86 (c) 44 (d) 64
  20. 20.Which number is the odd one out: 73, 43, 64, 13? (a) 73 (b) 43 (c) 64 (d) 13
  21. 21.Which number is the odd one out: 17, 68, 61, 11? (a) 17 (b) 68 (c) 61 (d) 11
  22. 22.Which number is the odd one out: 95, 73, 19, 43? (a) 95 (b) 73 (c) 19 (d) 43
  23. 23.Which number is the odd one out: 96, 89, 59, 31? (a) 96 (b) 89 (c) 59 (d) 31
  24. 24.Which number is the odd one out: 23, 10, 37, 31? (a) 23 (b) 10 (c) 37 (d) 31
  25. 25.Which number is the odd one out: 71, 97, 55, 70? (a) 71 (b) 97 (c) 55 (d) 70
  26. 26.Which number is the odd one out: 5, 85, 47, 86? (a) 5 (b) 85 (c) 47 (d) 86
  27. 27.Which number is the odd one out: 35, 60, 84, 91? (a) 35 (b) 60 (c) 84 (d) 91
  28. 28.Which number is the odd one out: 8, 79, 23, 89? (a) 8 (b) 79 (c) 23 (d) 89
  29. 29.Which number is the odd one out: 81, 9, 49, 35? (a) 81 (b) 9 (c) 49 (d) 35
  30. 30.Which number is the odd one out: 47, 24, 32, 48? (a) 47 (b) 24 (c) 32 (d) 48
  31. 31.Which number is the odd one out: 84, 70, 15, 65? (a) 84 (b) 70 (c) 15 (d) 65
  32. 32.Which number is the odd one out: 89, 51, 83, 31? (a) 89 (b) 51 (c) 83 (d) 31
  33. 33.Which number is the odd one out: 66, 54, 38, 18? (a) 66 (b) 54 (c) 38 (d) 18
  34. 34.Which number is the odd one out: 47, 43, 38, 79? (a) 47 (b) 43 (c) 38 (d) 79
  35. 35.Which number is the odd one out: 43, 53, 21, 89? (a) 43 (b) 53 (c) 21 (d) 89
  36. 36.Which number is the odd one out: 64, 81, 99, 16? (a) 64 (b) 81 (c) 99 (d) 16
  37. 37.Which number is the odd one out: 59, 37, 4, 17? (a) 59 (b) 37 (c) 4 (d) 17
  38. 38.Which number is the odd one out: 67, 31, 17, 16? (a) 67 (b) 31 (c) 17 (d) 16
  39. 39.Which number is the odd one out: 90, 72, 32, 20? (a) 90 (b) 72 (c) 32 (d) 20
  40. 40.Which number is the odd one out: 37, 47, 93, 6? (a) 37 (b) 47 (c) 93 (d) 6

Answer key

  1. 72
  2. 39
  3. 21
  4. 74
  5. 91
  6. 56
  7. 8
  8. 88
  9. 60
  10. 24
  11. 66
  12. 86
  13. 14
  14. 68
  15. 24
  16. 6
  17. 56
  18. 54
  19. 86
  20. 64
  21. 68
  22. 95
  23. 96
  24. 10
  25. 70
  26. 86
  27. 60
  28. 8
  29. 35
  30. 47
  31. 84
  32. 51
  33. 38
  34. 38
  35. 21
  36. 99
  37. 4
  38. 16
  39. 90
  40. 6

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