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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 916 · 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: 14, 49, 36, 21? (a) 14 (b) 49 (c) 36 (d) 21
  2. 2.Which number is the odd one out: 37, 29, 8, 47? (a) 37 (b) 29 (c) 8 (d) 47
  3. 3.Which number is the odd one out: 41, 59, 19, 30? (a) 41 (b) 59 (c) 19 (d) 30
  4. 4.Which number is the odd one out: 99, 18, 97, 54? (a) 99 (b) 18 (c) 97 (d) 54
  5. 5.Which number is the odd one out: 17, 59, 75, 13? (a) 17 (b) 59 (c) 75 (d) 13
  6. 6.Which number is the odd one out: 65, 17, 37, 11? (a) 65 (b) 17 (c) 37 (d) 11
  7. 7.Which number is the odd one out: 73, 19, 15, 3? (a) 73 (b) 19 (c) 15 (d) 3
  8. 8.Which number is the odd one out: 6, 9, 81, 99? (a) 6 (b) 9 (c) 81 (d) 99
  9. 9.Which number is the odd one out: 8, 32, 46, 88? (a) 8 (b) 32 (c) 46 (d) 88
  10. 10.Which number is the odd one out: 8, 61, 89, 11? (a) 8 (b) 61 (c) 89 (d) 11
  11. 11.Which number is the odd one out: 83, 18, 13, 23? (a) 83 (b) 18 (c) 13 (d) 23
  12. 12.Which number is the odd one out: 60, 66, 30, 28? (a) 60 (b) 66 (c) 30 (d) 28
  13. 13.Which number is the odd one out: 43, 80, 71, 53? (a) 43 (b) 80 (c) 71 (d) 53
  14. 14.Which number is the odd one out: 73, 78, 19, 13? (a) 73 (b) 78 (c) 19 (d) 13
  15. 15.Which number is the odd one out: 96, 23, 11, 61? (a) 96 (b) 23 (c) 11 (d) 61
  16. 16.Which number is the odd one out: 17, 85, 79, 20? (a) 17 (b) 85 (c) 79 (d) 20
  17. 17.Which number is the odd one out: 47, 26, 16, 64? (a) 47 (b) 26 (c) 16 (d) 64
  18. 18.Which number is the odd one out: 75, 11, 67, 41? (a) 75 (b) 11 (c) 67 (d) 41
  19. 19.Which number is the odd one out: 24, 9, 72, 78? (a) 24 (b) 9 (c) 72 (d) 78
  20. 20.Which number is the odd one out: 37, 47, 55, 41? (a) 37 (b) 47 (c) 55 (d) 41
  21. 21.Which number is the odd one out: 96, 66, 24, 55? (a) 96 (b) 66 (c) 24 (d) 55
  22. 22.Which number is the odd one out: 54, 71, 43, 59? (a) 54 (b) 71 (c) 43 (d) 59
  23. 23.Which number is the odd one out: 59, 19, 94, 29? (a) 59 (b) 19 (c) 94 (d) 29
  24. 24.Which number is the odd one out: 39, 14, 21, 33? (a) 39 (b) 14 (c) 21 (d) 33
  25. 25.Which number is the odd one out: 19, 38, 17, 41? (a) 19 (b) 38 (c) 17 (d) 41
  26. 26.Which number is the odd one out: 16, 88, 64, 62? (a) 16 (b) 88 (c) 64 (d) 62
  27. 27.Which number is the odd one out: 53, 57, 17, 42? (a) 53 (b) 57 (c) 17 (d) 42
  28. 28.Which number is the odd one out: 67, 17, 13, 62? (a) 67 (b) 17 (c) 13 (d) 62
  29. 29.Which number is the odd one out: 43, 83, 74, 67? (a) 43 (b) 83 (c) 74 (d) 67
  30. 30.Which number is the odd one out: 24, 48, 8, 85? (a) 24 (b) 48 (c) 8 (d) 85
  31. 31.Which number is the odd one out: 85, 79, 19, 83? (a) 85 (b) 79 (c) 19 (d) 83
  32. 32.Which number is the odd one out: 21, 16, 32, 64? (a) 21 (b) 16 (c) 32 (d) 64
  33. 33.Which number is the odd one out: 13, 67, 51, 3? (a) 13 (b) 67 (c) 51 (d) 3
  34. 34.Which number is the odd one out: 24, 38, 48, 32? (a) 24 (b) 38 (c) 48 (d) 32
  35. 35.Which number is the odd one out: 53, 29, 80, 61? (a) 53 (b) 29 (c) 80 (d) 61
  36. 36.Which number is the odd one out: 83, 53, 40, 67? (a) 83 (b) 53 (c) 40 (d) 67
  37. 37.Which number is the odd one out: 6, 31, 17, 93? (a) 6 (b) 31 (c) 17 (d) 93
  38. 38.Which number is the odd one out: 43, 41, 67, 96? (a) 43 (b) 41 (c) 67 (d) 96
  39. 39.Which number is the odd one out: 17, 11, 75, 89? (a) 17 (b) 11 (c) 75 (d) 89
  40. 40.Which number is the odd one out: 65, 55, 6, 15? (a) 65 (b) 55 (c) 6 (d) 15

Answer key

  1. 36
  2. 8
  3. 30
  4. 97
  5. 75
  6. 65
  7. 15
  8. 6
  9. 46
  10. 8
  11. 18
  12. 28
  13. 80
  14. 78
  15. 96
  16. 20
  17. 47
  18. 75
  19. 9
  20. 55
  21. 55
  22. 54
  23. 94
  24. 14
  25. 38
  26. 62
  27. 42
  28. 62
  29. 74
  30. 85
  31. 85
  32. 21
  33. 51
  34. 38
  35. 80
  36. 40
  37. 6
  38. 96
  39. 75
  40. 6

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