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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 383 · 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: 10, 55, 28, 65? (a) 10 (b) 55 (c) 28 (d) 65
  2. 2.Which number is the odd one out: 71, 41, 29, 24? (a) 71 (b) 41 (c) 29 (d) 24
  3. 3.Which number is the odd one out: 97, 86, 67, 13? (a) 97 (b) 86 (c) 67 (d) 13
  4. 4.Which number is the odd one out: 24, 5, 39, 96? (a) 24 (b) 5 (c) 39 (d) 96
  5. 5.Which number is the odd one out: 8, 53, 29, 59? (a) 8 (b) 53 (c) 29 (d) 59
  6. 6.Which number is the odd one out: 89, 99, 3, 53? (a) 89 (b) 99 (c) 3 (d) 53
  7. 7.Which number is the odd one out: 71, 61, 30, 79? (a) 71 (b) 61 (c) 30 (d) 79
  8. 8.Which number is the odd one out: 73, 8, 47, 41? (a) 73 (b) 8 (c) 47 (d) 41
  9. 9.Which number is the odd one out: 92, 52, 25, 68? (a) 92 (b) 52 (c) 25 (d) 68
  10. 10.Which number is the odd one out: 51, 73, 79, 36? (a) 51 (b) 73 (c) 79 (d) 36
  11. 11.Which number is the odd one out: 71, 2, 83, 18? (a) 71 (b) 2 (c) 83 (d) 18
  12. 12.Which number is the odd one out: 67, 48, 89, 29? (a) 67 (b) 48 (c) 89 (d) 29
  13. 13.Which number is the odd one out: 24, 66, 88, 11? (a) 24 (b) 66 (c) 88 (d) 11
  14. 14.Which number is the odd one out: 73, 29, 90, 11? (a) 73 (b) 29 (c) 90 (d) 11
  15. 15.Which number is the odd one out: 45, 9, 81, 20? (a) 45 (b) 9 (c) 81 (d) 20
  16. 16.Which number is the odd one out: 71, 77, 97, 89? (a) 71 (b) 77 (c) 97 (d) 89
  17. 17.Which number is the odd one out: 63, 27, 98, 14? (a) 63 (b) 27 (c) 98 (d) 14
  18. 18.Which number is the odd one out: 35, 6, 70, 21? (a) 35 (b) 6 (c) 70 (d) 21
  19. 19.Which number is the odd one out: 92, 44, 38, 43? (a) 92 (b) 44 (c) 38 (d) 43
  20. 20.Which number is the odd one out: 32, 48, 24, 20? (a) 32 (b) 48 (c) 24 (d) 20
  21. 21.Which number is the odd one out: 23, 75, 47, 53? (a) 23 (b) 75 (c) 47 (d) 53
  22. 22.Which number is the odd one out: 59, 89, 17, 50? (a) 59 (b) 89 (c) 17 (d) 50
  23. 23.Which number is the odd one out: 79, 8, 19, 11? (a) 79 (b) 8 (c) 19 (d) 11
  24. 24.Which number is the odd one out: 96, 8, 49, 24? (a) 96 (b) 8 (c) 49 (d) 24
  25. 25.Which number is the odd one out: 99, 81, 5, 9? (a) 99 (b) 81 (c) 5 (d) 9
  26. 26.Which number is the odd one out: 77, 14, 59, 79? (a) 77 (b) 14 (c) 59 (d) 79
  27. 27.Which number is the odd one out: 72, 17, 97, 43? (a) 72 (b) 17 (c) 97 (d) 43
  28. 28.Which number is the odd one out: 19, 83, 13, 16? (a) 19 (b) 83 (c) 13 (d) 16
  29. 29.Which number is the odd one out: 48, 32, 96, 67? (a) 48 (b) 32 (c) 96 (d) 67
  30. 30.Which number is the odd one out: 48, 6, 8, 7? (a) 48 (b) 6 (c) 8 (d) 7
  31. 31.Which number is the odd one out: 46, 97, 13, 59? (a) 46 (b) 97 (c) 13 (d) 59
  32. 32.Which number is the odd one out: 71, 83, 54, 2? (a) 71 (b) 83 (c) 54 (d) 2
  33. 33.Which number is the odd one out: 31, 49, 73, 11? (a) 31 (b) 49 (c) 73 (d) 11
  34. 34.Which number is the odd one out: 95, 31, 19, 23? (a) 95 (b) 31 (c) 19 (d) 23
  35. 35.Which number is the odd one out: 37, 97, 84, 41? (a) 37 (b) 97 (c) 84 (d) 41
  36. 36.Which number is the odd one out: 61, 90, 19, 43? (a) 61 (b) 90 (c) 19 (d) 43
  37. 37.Which number is the odd one out: 37, 42, 13, 71? (a) 37 (b) 42 (c) 13 (d) 71
  38. 38.Which number is the odd one out: 45, 83, 90, 6? (a) 45 (b) 83 (c) 90 (d) 6
  39. 39.Which number is the odd one out: 17, 54, 71, 59? (a) 17 (b) 54 (c) 71 (d) 59
  40. 40.Which number is the odd one out: 59, 99, 43, 53? (a) 59 (b) 99 (c) 43 (d) 53

Answer key

  1. 28
  2. 24
  3. 86
  4. 5
  5. 8
  6. 99
  7. 30
  8. 8
  9. 25
  10. 36
  11. 18
  12. 48
  13. 11
  14. 90
  15. 20
  16. 77
  17. 27
  18. 6
  19. 43
  20. 20
  21. 75
  22. 50
  23. 8
  24. 49
  25. 5
  26. 14
  27. 72
  28. 16
  29. 67
  30. 7
  31. 46
  32. 54
  33. 49
  34. 95
  35. 84
  36. 90
  37. 42
  38. 83
  39. 54
  40. 99

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