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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 707 · 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: 17, 47, 53, 92? (a) 17 (b) 47 (c) 53 (d) 92
  2. 2.Which number is the odd one out: 24, 20, 25, 48? (a) 24 (b) 20 (c) 25 (d) 48
  3. 3.Which number is the odd one out: 81, 36, 29, 23? (a) 81 (b) 36 (c) 29 (d) 23
  4. 4.Which number is the odd one out: 66, 48, 96, 73? (a) 66 (b) 48 (c) 96 (d) 73
  5. 5.Which number is the odd one out: 61, 44, 11, 97? (a) 61 (b) 44 (c) 11 (d) 97
  6. 6.Which number is the odd one out: 79, 83, 99, 11? (a) 79 (b) 83 (c) 99 (d) 11
  7. 7.Which number is the odd one out: 59, 14, 13, 11? (a) 59 (b) 14 (c) 13 (d) 11
  8. 8.Which number is the odd one out: 5, 95, 61, 67? (a) 5 (b) 95 (c) 61 (d) 67
  9. 9.Which number is the odd one out: 42, 2, 97, 79? (a) 42 (b) 2 (c) 97 (d) 79
  10. 10.Which number is the odd one out: 9, 23, 47, 17? (a) 9 (b) 23 (c) 47 (d) 17
  11. 11.Which number is the odd one out: 73, 48, 41, 3? (a) 73 (b) 48 (c) 41 (d) 3
  12. 12.Which number is the odd one out: 83, 17, 85, 97? (a) 83 (b) 17 (c) 85 (d) 97
  13. 13.Which number is the odd one out: 71, 13, 56, 97? (a) 71 (b) 13 (c) 56 (d) 97
  14. 14.Which number is the odd one out: 89, 76, 53, 17? (a) 89 (b) 76 (c) 53 (d) 17
  15. 15.Which number is the odd one out: 4, 64, 16, 23? (a) 4 (b) 64 (c) 16 (d) 23
  16. 16.Which number is the odd one out: 59, 96, 29, 83? (a) 59 (b) 96 (c) 29 (d) 83
  17. 17.Which number is the odd one out: 47, 96, 6, 48? (a) 47 (b) 96 (c) 6 (d) 48
  18. 18.Which number is the odd one out: 17, 71, 31, 80? (a) 17 (b) 71 (c) 31 (d) 80
  19. 19.Which number is the odd one out: 43, 73, 83, 49? (a) 43 (b) 73 (c) 83 (d) 49
  20. 20.Which number is the odd one out: 13, 73, 47, 16? (a) 13 (b) 73 (c) 47 (d) 16
  21. 21.Which number is the odd one out: 60, 17, 97, 3? (a) 60 (b) 17 (c) 97 (d) 3
  22. 22.Which number is the odd one out: 13, 73, 84, 29? (a) 13 (b) 73 (c) 84 (d) 29
  23. 23.Which number is the odd one out: 78, 39, 43, 66? (a) 78 (b) 39 (c) 43 (d) 66
  24. 24.Which number is the odd one out: 32, 20, 16, 64? (a) 32 (b) 20 (c) 16 (d) 64
  25. 25.Which number is the odd one out: 21, 83, 97, 47? (a) 21 (b) 83 (c) 97 (d) 47
  26. 26.Which number is the odd one out: 34, 91, 70, 35? (a) 34 (b) 91 (c) 70 (d) 35
  27. 27.Which number is the odd one out: 89, 2, 19, 10? (a) 89 (b) 2 (c) 19 (d) 10
  28. 28.Which number is the odd one out: 71, 53, 33, 3? (a) 71 (b) 53 (c) 33 (d) 3
  29. 29.Which number is the odd one out: 53, 79, 8, 13? (a) 53 (b) 79 (c) 8 (d) 13
  30. 30.Which number is the odd one out: 53, 23, 81, 41? (a) 53 (b) 23 (c) 81 (d) 41
  31. 31.Which number is the odd one out: 17, 86, 73, 83? (a) 17 (b) 86 (c) 73 (d) 83
  32. 32.Which number is the odd one out: 89, 62, 13, 11? (a) 89 (b) 62 (c) 13 (d) 11
  33. 33.Which number is the odd one out: 6, 39, 78, 23? (a) 6 (b) 39 (c) 78 (d) 23
  34. 34.Which number is the odd one out: 89, 47, 2, 74? (a) 89 (b) 47 (c) 2 (d) 74
  35. 35.Which number is the odd one out: 22, 29, 59, 89? (a) 22 (b) 29 (c) 59 (d) 89
  36. 36.Which number is the odd one out: 12, 41, 61, 17? (a) 12 (b) 41 (c) 61 (d) 17
  37. 37.Which number is the odd one out: 13, 84, 71, 11? (a) 13 (b) 84 (c) 71 (d) 11
  38. 38.Which number is the odd one out: 48, 24, 10, 88? (a) 48 (b) 24 (c) 10 (d) 88
  39. 39.Which number is the odd one out: 27, 75, 18, 54? (a) 27 (b) 75 (c) 18 (d) 54
  40. 40.Which number is the odd one out: 89, 67, 69, 3? (a) 89 (b) 67 (c) 69 (d) 3

Answer key

  1. 92
  2. 25
  3. 36
  4. 73
  5. 44
  6. 99
  7. 14
  8. 95
  9. 42
  10. 9
  11. 48
  12. 85
  13. 56
  14. 76
  15. 23
  16. 96
  17. 47
  18. 80
  19. 49
  20. 16
  21. 60
  22. 84
  23. 43
  24. 20
  25. 21
  26. 34
  27. 10
  28. 33
  29. 8
  30. 81
  31. 86
  32. 62
  33. 23
  34. 74
  35. 22
  36. 12
  37. 84
  38. 10
  39. 75
  40. 69

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