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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 389 · 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: 24, 98, 32, 96? (a) 24 (b) 98 (c) 32 (d) 96
  2. 2.Which number is the odd one out: 41, 83, 54, 53? (a) 41 (b) 83 (c) 54 (d) 53
  3. 3.Which number is the odd one out: 96, 24, 55, 80? (a) 96 (b) 24 (c) 55 (d) 80
  4. 4.Which number is the odd one out: 47, 17, 91, 28? (a) 47 (b) 17 (c) 91 (d) 28
  5. 5.Which number is the odd one out: 17, 2, 47, 8? (a) 17 (b) 2 (c) 47 (d) 8
  6. 6.Which number is the odd one out: 17, 37, 95, 20? (a) 17 (b) 37 (c) 95 (d) 20
  7. 7.Which number is the odd one out: 62, 24, 96, 48? (a) 62 (b) 24 (c) 96 (d) 48
  8. 8.Which number is the odd one out: 8, 37, 29, 59? (a) 8 (b) 37 (c) 29 (d) 59
  9. 9.Which number is the odd one out: 59, 31, 17, 98? (a) 59 (b) 31 (c) 17 (d) 98
  10. 10.Which number is the odd one out: 83, 80, 2, 79? (a) 83 (b) 80 (c) 2 (d) 79
  11. 11.Which number is the odd one out: 79, 23, 5, 75? (a) 79 (b) 23 (c) 5 (d) 75
  12. 12.Which number is the odd one out: 31, 59, 29, 10? (a) 31 (b) 59 (c) 29 (d) 10
  13. 13.Which number is the odd one out: 41, 61, 27, 79? (a) 41 (b) 61 (c) 27 (d) 79
  14. 14.Which number is the odd one out: 61, 71, 4, 97? (a) 61 (b) 71 (c) 4 (d) 97
  15. 15.Which number is the odd one out: 49, 70, 81, 9? (a) 49 (b) 70 (c) 81 (d) 9
  16. 16.Which number is the odd one out: 96, 4, 24, 16? (a) 96 (b) 4 (c) 24 (d) 16
  17. 17.Which number is the odd one out: 4, 8, 64, 32? (a) 4 (b) 8 (c) 64 (d) 32
  18. 18.Which number is the odd one out: 59, 26, 5, 55? (a) 59 (b) 26 (c) 5 (d) 55
  19. 19.Which number is the odd one out: 89, 44, 61, 11? (a) 89 (b) 44 (c) 61 (d) 11
  20. 20.Which number is the odd one out: 61, 37, 31, 14? (a) 61 (b) 37 (c) 31 (d) 14
  21. 21.Which number is the odd one out: 83, 23, 44, 53? (a) 83 (b) 23 (c) 44 (d) 53
  22. 22.Which number is the odd one out: 27, 26, 99, 39? (a) 27 (b) 26 (c) 99 (d) 39
  23. 23.Which number is the odd one out: 42, 3, 17, 47? (a) 42 (b) 3 (c) 17 (d) 47
  24. 24.Which number is the odd one out: 17, 93, 13, 12? (a) 17 (b) 93 (c) 13 (d) 12
  25. 25.Which number is the odd one out: 47, 13, 65, 59? (a) 47 (b) 13 (c) 65 (d) 59
  26. 26.Which number is the odd one out: 71, 37, 97, 38? (a) 71 (b) 37 (c) 97 (d) 38
  27. 27.Which number is the odd one out: 56, 32, 30, 28? (a) 56 (b) 32 (c) 30 (d) 28
  28. 28.Which number is the odd one out: 89, 16, 37, 79? (a) 89 (b) 16 (c) 37 (d) 79
  29. 29.Which number is the odd one out: 97, 24, 47, 23? (a) 97 (b) 24 (c) 47 (d) 23
  30. 30.Which number is the odd one out: 14, 98, 56, 32? (a) 14 (b) 98 (c) 56 (d) 32
  31. 31.Which number is the odd one out: 58, 61, 71, 89? (a) 58 (b) 61 (c) 71 (d) 89
  32. 32.Which number is the odd one out: 41, 90, 3, 17? (a) 41 (b) 90 (c) 3 (d) 17
  33. 33.Which number is the odd one out: 66, 89, 43, 61? (a) 66 (b) 89 (c) 43 (d) 61
  34. 34.Which number is the odd one out: 47, 29, 61, 15? (a) 47 (b) 29 (c) 61 (d) 15
  35. 35.Which number is the odd one out: 43, 22, 23, 83? (a) 43 (b) 22 (c) 23 (d) 83
  36. 36.Which number is the odd one out: 93, 31, 83, 61? (a) 93 (b) 31 (c) 83 (d) 61
  37. 37.Which number is the odd one out: 13, 72, 59, 51? (a) 13 (b) 72 (c) 59 (d) 51
  38. 38.Which number is the odd one out: 98, 53, 7, 97? (a) 98 (b) 53 (c) 7 (d) 97
  39. 39.Which number is the odd one out: 45, 75, 90, 42? (a) 45 (b) 75 (c) 90 (d) 42
  40. 40.Which number is the odd one out: 23, 17, 34, 71? (a) 23 (b) 17 (c) 34 (d) 71

Answer key

  1. 98
  2. 54
  3. 55
  4. 28
  5. 8
  6. 20
  7. 62
  8. 8
  9. 98
  10. 80
  11. 75
  12. 10
  13. 27
  14. 4
  15. 70
  16. 4
  17. 4
  18. 26
  19. 44
  20. 14
  21. 44
  22. 26
  23. 42
  24. 12
  25. 65
  26. 38
  27. 30
  28. 16
  29. 24
  30. 32
  31. 58
  32. 90
  33. 66
  34. 15
  35. 22
  36. 93
  37. 72
  38. 98
  39. 42
  40. 34

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