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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 699 · 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: 2, 59, 46, 17? (a) 2 (b) 59 (c) 46 (d) 17
  2. 2.Which number is the odd one out: 79, 21, 31, 41? (a) 79 (b) 21 (c) 31 (d) 41
  3. 3.Which number is the odd one out: 96, 85, 38, 48? (a) 96 (b) 85 (c) 38 (d) 48
  4. 4.Which number is the odd one out: 95, 12, 30, 55? (a) 95 (b) 12 (c) 30 (d) 55
  5. 5.Which number is the odd one out: 16, 80, 64, 60? (a) 16 (b) 80 (c) 64 (d) 60
  6. 6.Which number is the odd one out: 98, 43, 41, 79? (a) 98 (b) 43 (c) 41 (d) 79
  7. 7.Which number is the odd one out: 33, 43, 13, 23? (a) 33 (b) 43 (c) 13 (d) 23
  8. 8.Which number is the odd one out: 73, 53, 64, 67? (a) 73 (b) 53 (c) 64 (d) 67
  9. 9.Which number is the odd one out: 16, 32, 88, 9? (a) 16 (b) 32 (c) 88 (d) 9
  10. 10.Which number is the odd one out: 89, 87, 17, 11? (a) 89 (b) 87 (c) 17 (d) 11
  11. 11.Which number is the odd one out: 41, 5, 65, 62? (a) 41 (b) 5 (c) 65 (d) 62
  12. 12.Which number is the odd one out: 67, 43, 83, 98? (a) 67 (b) 43 (c) 83 (d) 98
  13. 13.Which number is the odd one out: 56, 24, 21, 77? (a) 56 (b) 24 (c) 21 (d) 77
  14. 14.Which number is the odd one out: 13, 99, 83, 18? (a) 13 (b) 99 (c) 83 (d) 18
  15. 15.Which number is the odd one out: 15, 13, 5, 29? (a) 15 (b) 13 (c) 5 (d) 29
  16. 16.Which number is the odd one out: 35, 55, 70, 62? (a) 35 (b) 55 (c) 70 (d) 62
  17. 17.Which number is the odd one out: 12, 8, 88, 24? (a) 12 (b) 8 (c) 88 (d) 24
  18. 18.Which number is the odd one out: 74, 26, 38, 51? (a) 74 (b) 26 (c) 38 (d) 51
  19. 19.Which number is the odd one out: 73, 11, 10, 59? (a) 73 (b) 11 (c) 10 (d) 59
  20. 20.Which number is the odd one out: 53, 41, 75, 61? (a) 53 (b) 41 (c) 75 (d) 61
  21. 21.Which number is the odd one out: 98, 79, 31, 89? (a) 98 (b) 79 (c) 31 (d) 89
  22. 22.Which number is the odd one out: 6, 30, 92, 60? (a) 6 (b) 30 (c) 92 (d) 60
  23. 23.Which number is the odd one out: 89, 9, 43, 61? (a) 89 (b) 9 (c) 43 (d) 61
  24. 24.Which number is the odd one out: 83, 61, 45, 11? (a) 83 (b) 61 (c) 45 (d) 11
  25. 25.Which number is the odd one out: 81, 9, 20, 4? (a) 81 (b) 9 (c) 20 (d) 4
  26. 26.Which number is the odd one out: 14, 81, 49, 9? (a) 14 (b) 81 (c) 49 (d) 9
  27. 27.Which number is the odd one out: 54, 37, 13, 19? (a) 54 (b) 37 (c) 13 (d) 19
  28. 28.Which number is the odd one out: 97, 59, 83, 45? (a) 97 (b) 59 (c) 83 (d) 45
  29. 29.Which number is the odd one out: 2, 23, 37, 74? (a) 2 (b) 23 (c) 37 (d) 74
  30. 30.Which number is the odd one out: 67, 39, 24, 11? (a) 67 (b) 39 (c) 24 (d) 11
  31. 31.Which number is the odd one out: 88, 8, 40, 60? (a) 88 (b) 8 (c) 40 (d) 60
  32. 32.Which number is the odd one out: 64, 9, 16, 27? (a) 64 (b) 9 (c) 16 (d) 27
  33. 33.Which number is the odd one out: 60, 40, 24, 38? (a) 60 (b) 40 (c) 24 (d) 38
  34. 34.Which number is the odd one out: 27, 37, 3, 99? (a) 27 (b) 37 (c) 3 (d) 99
  35. 35.Which number is the odd one out: 65, 53, 13, 37? (a) 65 (b) 53 (c) 13 (d) 37
  36. 36.Which number is the odd one out: 41, 56, 17, 2? (a) 41 (b) 56 (c) 17 (d) 2
  37. 37.Which number is the odd one out: 85, 54, 90, 66? (a) 85 (b) 54 (c) 90 (d) 66
  38. 38.Which number is the odd one out: 92, 12, 6, 35? (a) 92 (b) 12 (c) 6 (d) 35
  39. 39.Which number is the odd one out: 66, 47, 71, 67? (a) 66 (b) 47 (c) 71 (d) 67
  40. 40.Which number is the odd one out: 30, 59, 89, 5? (a) 30 (b) 59 (c) 89 (d) 5

Answer key

  1. 46
  2. 21
  3. 85
  4. 12
  5. 60
  6. 98
  7. 33
  8. 64
  9. 9
  10. 87
  11. 62
  12. 98
  13. 24
  14. 18
  15. 15
  16. 62
  17. 12
  18. 51
  19. 10
  20. 75
  21. 98
  22. 92
  23. 9
  24. 45
  25. 20
  26. 14
  27. 54
  28. 45
  29. 74
  30. 24
  31. 60
  32. 27
  33. 38
  34. 37
  35. 65
  36. 56
  37. 85
  38. 35
  39. 66
  40. 30

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