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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 26 · 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: 47, 20, 79, 59? (a) 47 (b) 20 (c) 79 (d) 59
  2. 2.Which number is the odd one out: 45, 37, 97, 89? (a) 45 (b) 37 (c) 97 (d) 89
  3. 3.Which number is the odd one out: 54, 72, 24, 17? (a) 54 (b) 72 (c) 24 (d) 17
  4. 4.Which number is the odd one out: 30, 68, 32, 96? (a) 30 (b) 68 (c) 32 (d) 96
  5. 5.Which number is the odd one out: 12, 90, 18, 80? (a) 12 (b) 90 (c) 18 (d) 80
  6. 6.Which number is the odd one out: 53, 29, 10, 19? (a) 53 (b) 29 (c) 10 (d) 19
  7. 7.Which number is the odd one out: 53, 43, 47, 60? (a) 53 (b) 43 (c) 47 (d) 60
  8. 8.Which number is the odd one out: 42, 17, 19, 97? (a) 42 (b) 17 (c) 19 (d) 97
  9. 9.Which number is the odd one out: 41, 11, 97, 65? (a) 41 (b) 11 (c) 97 (d) 65
  10. 10.Which number is the odd one out: 14, 5, 98, 35? (a) 14 (b) 5 (c) 98 (d) 35
  11. 11.Which number is the odd one out: 67, 97, 63, 37? (a) 67 (b) 97 (c) 63 (d) 37
  12. 12.Which number is the odd one out: 16, 8, 64, 14? (a) 16 (b) 8 (c) 64 (d) 14
  13. 13.Which number is the odd one out: 71, 25, 89, 97? (a) 71 (b) 25 (c) 89 (d) 97
  14. 14.Which number is the odd one out: 6, 11, 38, 66? (a) 6 (b) 11 (c) 38 (d) 66
  15. 15.Which number is the odd one out: 97, 2, 30, 61? (a) 97 (b) 2 (c) 30 (d) 61
  16. 16.Which number is the odd one out: 77, 35, 6, 65? (a) 77 (b) 35 (c) 6 (d) 65
  17. 17.Which number is the odd one out: 59, 83, 73, 26? (a) 59 (b) 83 (c) 73 (d) 26
  18. 18.Which number is the odd one out: 3, 86, 71, 33? (a) 3 (b) 86 (c) 71 (d) 33
  19. 19.Which number is the odd one out: 20, 11, 31, 59? (a) 20 (b) 11 (c) 31 (d) 59
  20. 20.Which number is the odd one out: 9, 28, 16, 56? (a) 9 (b) 28 (c) 16 (d) 56
  21. 21.Which number is the odd one out: 59, 13, 63, 71? (a) 59 (b) 13 (c) 63 (d) 71
  22. 22.Which number is the odd one out: 74, 17, 59, 61? (a) 74 (b) 17 (c) 59 (d) 61
  23. 23.Which number is the odd one out: 14, 78, 6, 42? (a) 14 (b) 78 (c) 6 (d) 42
  24. 24.Which number is the odd one out: 2, 67, 29, 82? (a) 2 (b) 67 (c) 29 (d) 82
  25. 25.Which number is the odd one out: 54, 18, 27, 65? (a) 54 (b) 18 (c) 27 (d) 65
  26. 26.Which number is the odd one out: 92, 48, 24, 8? (a) 92 (b) 48 (c) 24 (d) 8
  27. 27.Which number is the odd one out: 23, 50, 70, 35? (a) 23 (b) 50 (c) 70 (d) 35
  28. 28.Which number is the odd one out: 97, 11, 93, 30? (a) 97 (b) 11 (c) 93 (d) 30
  29. 29.Which number is the odd one out: 93, 96, 48, 24? (a) 93 (b) 96 (c) 48 (d) 24
  30. 30.Which number is the odd one out: 97, 92, 2, 13? (a) 97 (b) 92 (c) 2 (d) 13
  31. 31.Which number is the odd one out: 71, 47, 63, 53? (a) 71 (b) 47 (c) 63 (d) 53
  32. 32.Which number is the odd one out: 9, 81, 30, 99? (a) 9 (b) 81 (c) 30 (d) 99
  33. 33.Which number is the odd one out: 17, 13, 34, 23? (a) 17 (b) 13 (c) 34 (d) 23
  34. 34.Which number is the odd one out: 72, 17, 19, 11? (a) 72 (b) 17 (c) 19 (d) 11
  35. 35.Which number is the odd one out: 24, 15, 35, 96? (a) 24 (b) 15 (c) 35 (d) 96
  36. 36.Which number is the odd one out: 47, 40, 31, 53? (a) 47 (b) 40 (c) 31 (d) 53
  37. 37.Which number is the odd one out: 9, 84, 36, 81? (a) 9 (b) 84 (c) 36 (d) 81
  38. 38.Which number is the odd one out: 11, 2, 79, 18? (a) 11 (b) 2 (c) 79 (d) 18
  39. 39.Which number is the odd one out: 89, 62, 13, 19? (a) 89 (b) 62 (c) 13 (d) 19
  40. 40.Which number is the odd one out: 41, 3, 67, 93? (a) 41 (b) 3 (c) 67 (d) 93

Answer key

  1. 20
  2. 45
  3. 17
  4. 30
  5. 80
  6. 10
  7. 60
  8. 42
  9. 65
  10. 5
  11. 63
  12. 14
  13. 25
  14. 11
  15. 30
  16. 6
  17. 26
  18. 86
  19. 20
  20. 9
  21. 63
  22. 74
  23. 14
  24. 82
  25. 65
  26. 92
  27. 23
  28. 30
  29. 93
  30. 92
  31. 63
  32. 30
  33. 34
  34. 72
  35. 35
  36. 40
  37. 84
  38. 18
  39. 62
  40. 93

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