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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 382 · 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: 67, 31, 53, 62? (a) 67 (b) 31 (c) 53 (d) 62
  2. 2.Which number is the odd one out: 21, 91, 72, 77? (a) 21 (b) 91 (c) 72 (d) 77
  3. 3.Which number is the odd one out: 85, 80, 8, 32? (a) 85 (b) 80 (c) 8 (d) 32
  4. 4.Which number is the odd one out: 96, 48, 25, 24? (a) 96 (b) 48 (c) 25 (d) 24
  5. 5.Which number is the odd one out: 48, 41, 37, 43? (a) 48 (b) 41 (c) 37 (d) 43
  6. 6.Which number is the odd one out: 39, 71, 67, 79? (a) 39 (b) 71 (c) 67 (d) 79
  7. 7.Which number is the odd one out: 24, 96, 65, 80? (a) 24 (b) 96 (c) 65 (d) 80
  8. 8.Which number is the odd one out: 71, 4, 31, 79? (a) 71 (b) 4 (c) 31 (d) 79
  9. 9.Which number is the odd one out: 67, 90, 97, 17? (a) 67 (b) 90 (c) 97 (d) 17
  10. 10.Which number is the odd one out: 55, 63, 35, 65? (a) 55 (b) 63 (c) 35 (d) 65
  11. 11.Which number is the odd one out: 36, 39, 23, 31? (a) 36 (b) 39 (c) 23 (d) 31
  12. 12.Which number is the odd one out: 23, 37, 14, 41? (a) 23 (b) 37 (c) 14 (d) 41
  13. 13.Which number is the odd one out: 42, 29, 67, 7? (a) 42 (b) 29 (c) 67 (d) 7
  14. 14.Which number is the odd one out: 23, 67, 89, 51? (a) 23 (b) 67 (c) 89 (d) 51
  15. 15.Which number is the odd one out: 11, 97, 29, 96? (a) 11 (b) 97 (c) 29 (d) 96
  16. 16.Which number is the odd one out: 79, 16, 64, 4? (a) 79 (b) 16 (c) 64 (d) 4
  17. 17.Which number is the odd one out: 50, 16, 64, 4? (a) 50 (b) 16 (c) 64 (d) 4
  18. 18.Which number is the odd one out: 29, 43, 82, 13? (a) 29 (b) 43 (c) 82 (d) 13
  19. 19.Which number is the odd one out: 32, 29, 83, 67? (a) 32 (b) 29 (c) 83 (d) 67
  20. 20.Which number is the odd one out: 89, 79, 71, 27? (a) 89 (b) 79 (c) 71 (d) 27
  21. 21.Which number is the odd one out: 2, 98, 53, 47? (a) 2 (b) 98 (c) 53 (d) 47
  22. 22.Which number is the odd one out: 81, 27, 82, 9? (a) 81 (b) 27 (c) 82 (d) 9
  23. 23.Which number is the odd one out: 54, 9, 66, 81? (a) 54 (b) 9 (c) 66 (d) 81
  24. 24.Which number is the odd one out: 80, 17, 13, 83? (a) 80 (b) 17 (c) 13 (d) 83
  25. 25.Which number is the odd one out: 47, 42, 7, 83? (a) 47 (b) 42 (c) 7 (d) 83
  26. 26.Which number is the odd one out: 27, 51, 99, 4? (a) 27 (b) 51 (c) 99 (d) 4
  27. 27.Which number is the odd one out: 11, 31, 41, 58? (a) 11 (b) 31 (c) 41 (d) 58
  28. 28.Which number is the odd one out: 25, 90, 54, 81? (a) 25 (b) 90 (c) 54 (d) 81
  29. 29.Which number is the odd one out: 37, 92, 19, 31? (a) 37 (b) 92 (c) 19 (d) 31
  30. 30.Which number is the odd one out: 51, 47, 3, 13? (a) 51 (b) 47 (c) 3 (d) 13
  31. 31.Which number is the odd one out: 66, 31, 69, 17? (a) 66 (b) 31 (c) 69 (d) 17
  32. 32.Which number is the odd one out: 57, 3, 39, 13? (a) 57 (b) 3 (c) 39 (d) 13
  33. 33.Which number is the odd one out: 94, 29, 79, 83? (a) 94 (b) 29 (c) 79 (d) 83
  34. 34.Which number is the odd one out: 90, 18, 80, 72? (a) 90 (b) 18 (c) 80 (d) 72
  35. 35.Which number is the odd one out: 17, 14, 43, 73? (a) 17 (b) 14 (c) 43 (d) 73
  36. 36.Which number is the odd one out: 48, 32, 88, 12? (a) 48 (b) 32 (c) 88 (d) 12
  37. 37.Which number is the odd one out: 96, 19, 24, 48? (a) 96 (b) 19 (c) 24 (d) 48
  38. 38.Which number is the odd one out: 18, 6, 54, 97? (a) 18 (b) 6 (c) 54 (d) 97
  39. 39.Which number is the odd one out: 40, 60, 32, 8? (a) 40 (b) 60 (c) 32 (d) 8
  40. 40.Which number is the odd one out: 60, 8, 24, 40? (a) 60 (b) 8 (c) 24 (d) 40

Answer key

  1. 62
  2. 72
  3. 85
  4. 25
  5. 48
  6. 39
  7. 65
  8. 4
  9. 90
  10. 63
  11. 36
  12. 14
  13. 42
  14. 51
  15. 96
  16. 79
  17. 50
  18. 82
  19. 32
  20. 27
  21. 98
  22. 82
  23. 66
  24. 80
  25. 42
  26. 4
  27. 58
  28. 25
  29. 92
  30. 51
  31. 66
  32. 13
  33. 94
  34. 80
  35. 14
  36. 12
  37. 19
  38. 97
  39. 60
  40. 60

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