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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 247 · 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: 19, 82, 53, 13? (a) 19 (b) 82 (c) 53 (d) 13
  2. 2.Which number is the odd one out: 65, 19, 89, 5? (a) 65 (b) 19 (c) 89 (d) 5
  3. 3.Which number is the odd one out: 97, 47, 92, 83? (a) 97 (b) 47 (c) 92 (d) 83
  4. 4.Which number is the odd one out: 13, 6, 59, 87? (a) 13 (b) 6 (c) 59 (d) 87
  5. 5.Which number is the odd one out: 47, 61, 83, 68? (a) 47 (b) 61 (c) 83 (d) 68
  6. 6.Which number is the odd one out: 43, 2, 31, 10? (a) 43 (b) 2 (c) 31 (d) 10
  7. 7.Which number is the odd one out: 55, 24, 48, 12? (a) 55 (b) 24 (c) 48 (d) 12
  8. 8.Which number is the odd one out: 71, 13, 48, 67? (a) 71 (b) 13 (c) 48 (d) 67
  9. 9.Which number is the odd one out: 35, 92, 82, 20? (a) 35 (b) 92 (c) 82 (d) 20
  10. 10.Which number is the odd one out: 20, 8, 99, 40? (a) 20 (b) 8 (c) 99 (d) 40
  11. 11.Which number is the odd one out: 30, 6, 44, 60? (a) 30 (b) 6 (c) 44 (d) 60
  12. 12.Which number is the odd one out: 68, 52, 30, 60? (a) 68 (b) 52 (c) 30 (d) 60
  13. 13.Which number is the odd one out: 11, 29, 43, 39? (a) 11 (b) 29 (c) 43 (d) 39
  14. 14.Which number is the odd one out: 3, 9, 71, 23? (a) 3 (b) 9 (c) 71 (d) 23
  15. 15.Which number is the odd one out: 24, 31, 48, 94? (a) 24 (b) 31 (c) 48 (d) 94
  16. 16.Which number is the odd one out: 97, 3, 73, 12? (a) 97 (b) 3 (c) 73 (d) 12
  17. 17.Which number is the odd one out: 71, 37, 31, 16? (a) 71 (b) 37 (c) 31 (d) 16
  18. 18.Which number is the odd one out: 19, 31, 71, 30? (a) 19 (b) 31 (c) 71 (d) 30
  19. 19.Which number is the odd one out: 79, 43, 59, 60? (a) 79 (b) 43 (c) 59 (d) 60
  20. 20.Which number is the odd one out: 17, 32, 29, 59? (a) 17 (b) 32 (c) 29 (d) 59
  21. 21.Which number is the odd one out: 16, 19, 89, 71? (a) 16 (b) 19 (c) 89 (d) 71
  22. 22.Which number is the odd one out: 96, 48, 17, 24? (a) 96 (b) 48 (c) 17 (d) 24
  23. 23.Which number is the odd one out: 64, 4, 65, 16? (a) 64 (b) 4 (c) 65 (d) 16
  24. 24.Which number is the odd one out: 43, 20, 59, 61? (a) 43 (b) 20 (c) 59 (d) 61
  25. 25.Which number is the odd one out: 19, 50, 5, 41? (a) 19 (b) 50 (c) 5 (d) 41
  26. 26.Which number is the odd one out: 53, 73, 99, 41? (a) 53 (b) 73 (c) 99 (d) 41
  27. 27.Which number is the odd one out: 73, 12, 67, 23? (a) 73 (b) 12 (c) 67 (d) 23
  28. 28.Which number is the odd one out: 67, 83, 97, 52? (a) 67 (b) 83 (c) 97 (d) 52
  29. 29.Which number is the odd one out: 95, 48, 55, 60? (a) 95 (b) 48 (c) 55 (d) 60
  30. 30.Which number is the odd one out: 10, 40, 80, 58? (a) 10 (b) 40 (c) 80 (d) 58
  31. 31.Which number is the odd one out: 64, 88, 16, 69? (a) 64 (b) 88 (c) 16 (d) 69
  32. 32.Which number is the odd one out: 6, 72, 27, 96? (a) 6 (b) 72 (c) 27 (d) 96
  33. 33.Which number is the odd one out: 44, 11, 19, 29? (a) 44 (b) 11 (c) 19 (d) 29
  34. 34.Which number is the odd one out: 11, 89, 6, 67? (a) 11 (b) 89 (c) 6 (d) 67
  35. 35.Which number is the odd one out: 30, 59, 97, 5? (a) 30 (b) 59 (c) 97 (d) 5
  36. 36.Which number is the odd one out: 76, 16, 64, 23? (a) 76 (b) 16 (c) 64 (d) 23
  37. 37.Which number is the odd one out: 23, 37, 67, 88? (a) 23 (b) 37 (c) 67 (d) 88
  38. 38.Which number is the odd one out: 77, 21, 24, 56? (a) 77 (b) 21 (c) 24 (d) 56
  39. 39.Which number is the odd one out: 43, 94, 19, 13? (a) 43 (b) 94 (c) 19 (d) 13
  40. 40.Which number is the odd one out: 84, 19, 21, 17? (a) 84 (b) 19 (c) 21 (d) 17

Answer key

  1. 82
  2. 65
  3. 92
  4. 6
  5. 68
  6. 10
  7. 55
  8. 48
  9. 35
  10. 99
  11. 44
  12. 30
  13. 39
  14. 9
  15. 31
  16. 12
  17. 16
  18. 30
  19. 60
  20. 32
  21. 16
  22. 17
  23. 65
  24. 20
  25. 50
  26. 99
  27. 12
  28. 52
  29. 48
  30. 58
  31. 69
  32. 27
  33. 44
  34. 6
  35. 30
  36. 23
  37. 88
  38. 24
  39. 94
  40. 84

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