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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 753 · 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: 11, 91, 77, 7? (a) 11 (b) 91 (c) 77 (d) 7
  2. 2.Which number is the odd one out: 81, 9, 4, 88? (a) 81 (b) 9 (c) 4 (d) 88
  3. 3.Which number is the odd one out: 78, 48, 96, 35? (a) 78 (b) 48 (c) 96 (d) 35
  4. 4.Which number is the odd one out: 16, 78, 6, 66? (a) 16 (b) 78 (c) 6 (d) 66
  5. 5.Which number is the odd one out: 80, 32, 25, 88? (a) 80 (b) 32 (c) 25 (d) 88
  6. 6.Which number is the odd one out: 13, 53, 14, 61? (a) 13 (b) 53 (c) 14 (d) 61
  7. 7.Which number is the odd one out: 47, 18, 19, 3? (a) 47 (b) 18 (c) 19 (d) 3
  8. 8.Which number is the odd one out: 29, 79, 59, 68? (a) 29 (b) 79 (c) 59 (d) 68
  9. 9.Which number is the odd one out: 41, 31, 89, 25? (a) 41 (b) 31 (c) 89 (d) 25
  10. 10.Which number is the odd one out: 37, 3, 51, 82? (a) 37 (b) 3 (c) 51 (d) 82
  11. 11.Which number is the odd one out: 4, 83, 71, 17? (a) 4 (b) 83 (c) 71 (d) 17
  12. 12.Which number is the odd one out: 41, 39, 37, 96? (a) 41 (b) 39 (c) 37 (d) 96
  13. 13.Which number is the odd one out: 37, 29, 33, 13? (a) 37 (b) 29 (c) 33 (d) 13
  14. 14.Which number is the odd one out: 46, 41, 11, 2? (a) 46 (b) 41 (c) 11 (d) 2
  15. 15.Which number is the odd one out: 79, 4, 89, 83? (a) 79 (b) 4 (c) 89 (d) 83
  16. 16.Which number is the odd one out: 29, 23, 31, 15? (a) 29 (b) 23 (c) 31 (d) 15
  17. 17.Which number is the odd one out: 24, 48, 96, 47? (a) 24 (b) 48 (c) 96 (d) 47
  18. 18.Which number is the odd one out: 79, 61, 82, 19? (a) 79 (b) 61 (c) 82 (d) 19
  19. 19.Which number is the odd one out: 59, 19, 40, 65? (a) 59 (b) 19 (c) 40 (d) 65
  20. 20.Which number is the odd one out: 81, 9, 84, 18? (a) 81 (b) 9 (c) 84 (d) 18
  21. 21.Which number is the odd one out: 61, 68, 11, 89? (a) 61 (b) 68 (c) 11 (d) 89
  22. 22.Which number is the odd one out: 37, 60, 71, 83? (a) 37 (b) 60 (c) 71 (d) 83
  23. 23.Which number is the odd one out: 49, 11, 23, 31? (a) 49 (b) 11 (c) 23 (d) 31
  24. 24.Which number is the odd one out: 24, 48, 4, 96? (a) 24 (b) 48 (c) 4 (d) 96
  25. 25.Which number is the odd one out: 43, 37, 3, 78? (a) 43 (b) 37 (c) 3 (d) 78
  26. 26.Which number is the odd one out: 73, 19, 12, 11? (a) 73 (b) 19 (c) 12 (d) 11
  27. 27.Which number is the odd one out: 96, 13, 24, 8? (a) 96 (b) 13 (c) 24 (d) 8
  28. 28.Which number is the odd one out: 61, 35, 79, 73? (a) 61 (b) 35 (c) 79 (d) 73
  29. 29.Which number is the odd one out: 73, 64, 16, 8? (a) 73 (b) 64 (c) 16 (d) 8
  30. 30.Which number is the odd one out: 43, 61, 73, 44? (a) 43 (b) 61 (c) 73 (d) 44
  31. 31.Which number is the odd one out: 37, 78, 79, 93? (a) 37 (b) 78 (c) 79 (d) 93
  32. 32.Which number is the odd one out: 23, 54, 61, 3? (a) 23 (b) 54 (c) 61 (d) 3
  33. 33.Which number is the odd one out: 89, 48, 67, 73? (a) 89 (b) 48 (c) 67 (d) 73
  34. 34.Which number is the odd one out: 44, 97, 80, 40? (a) 44 (b) 97 (c) 80 (d) 40
  35. 35.Which number is the odd one out: 54, 99, 61, 73? (a) 54 (b) 99 (c) 61 (d) 73
  36. 36.Which number is the odd one out: 29, 67, 89, 94? (a) 29 (b) 67 (c) 89 (d) 94
  37. 37.Which number is the odd one out: 89, 48, 41, 59? (a) 89 (b) 48 (c) 41 (d) 59
  38. 38.Which number is the odd one out: 25, 97, 73, 23? (a) 25 (b) 97 (c) 73 (d) 23
  39. 39.Which number is the odd one out: 75, 65, 47, 15? (a) 75 (b) 65 (c) 47 (d) 15
  40. 40.Which number is the odd one out: 97, 22, 53, 71? (a) 97 (b) 22 (c) 53 (d) 71

Answer key

  1. 11
  2. 88
  3. 35
  4. 16
  5. 25
  6. 14
  7. 18
  8. 68
  9. 25
  10. 82
  11. 4
  12. 96
  13. 33
  14. 46
  15. 4
  16. 15
  17. 47
  18. 82
  19. 40
  20. 84
  21. 68
  22. 60
  23. 49
  24. 4
  25. 78
  26. 12
  27. 13
  28. 35
  29. 73
  30. 44
  31. 78
  32. 54
  33. 48
  34. 97
  35. 54
  36. 94
  37. 48
  38. 25
  39. 47
  40. 22

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