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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 118 · 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: 44, 83, 32, 88? (a) 44 (b) 83 (c) 32 (d) 88
  2. 2.Which number is the odd one out: 24, 12, 50, 88? (a) 24 (b) 12 (c) 50 (d) 88
  3. 3.Which number is the odd one out: 11, 17, 73, 39? (a) 11 (b) 17 (c) 73 (d) 39
  4. 4.Which number is the odd one out: 19, 71, 86, 73? (a) 19 (b) 71 (c) 86 (d) 73
  5. 5.Which number is the odd one out: 41, 67, 79, 4? (a) 41 (b) 67 (c) 79 (d) 4
  6. 6.Which number is the odd one out: 4, 62, 64, 16? (a) 4 (b) 62 (c) 64 (d) 16
  7. 7.Which number is the odd one out: 38, 34, 73, 26? (a) 38 (b) 34 (c) 73 (d) 26
  8. 8.Which number is the odd one out: 89, 13, 19, 38? (a) 89 (b) 13 (c) 19 (d) 38
  9. 9.Which number is the odd one out: 17, 11, 5, 75? (a) 17 (b) 11 (c) 5 (d) 75
  10. 10.Which number is the odd one out: 18, 78, 39, 54? (a) 18 (b) 78 (c) 39 (d) 54
  11. 11.Which number is the odd one out: 24, 88, 14, 48? (a) 24 (b) 88 (c) 14 (d) 48
  12. 12.Which number is the odd one out: 3, 23, 31, 9? (a) 3 (b) 23 (c) 31 (d) 9
  13. 13.Which number is the odd one out: 12, 48, 24, 11? (a) 12 (b) 48 (c) 24 (d) 11
  14. 14.Which number is the odd one out: 53, 43, 42, 11? (a) 53 (b) 43 (c) 42 (d) 11
  15. 15.Which number is the odd one out: 7, 21, 3, 97? (a) 7 (b) 21 (c) 3 (d) 97
  16. 16.Which number is the odd one out: 32, 96, 42, 88? (a) 32 (b) 96 (c) 42 (d) 88
  17. 17.Which number is the odd one out: 87, 98, 75, 95? (a) 87 (b) 98 (c) 75 (d) 95
  18. 18.Which number is the odd one out: 27, 79, 13, 89? (a) 27 (b) 79 (c) 13 (d) 89
  19. 19.Which number is the odd one out: 82, 89, 61, 59? (a) 82 (b) 89 (c) 61 (d) 59
  20. 20.Which number is the odd one out: 93, 17, 97, 37? (a) 93 (b) 17 (c) 97 (d) 37
  21. 21.Which number is the odd one out: 31, 75, 17, 97? (a) 31 (b) 75 (c) 17 (d) 97
  22. 22.Which number is the odd one out: 44, 31, 67, 71? (a) 44 (b) 31 (c) 67 (d) 71
  23. 23.Which number is the odd one out: 83, 17, 27, 13? (a) 83 (b) 17 (c) 27 (d) 13
  24. 24.Which number is the odd one out: 53, 47, 42, 11? (a) 53 (b) 47 (c) 42 (d) 11
  25. 25.Which number is the odd one out: 49, 67, 47, 83? (a) 49 (b) 67 (c) 47 (d) 83
  26. 26.Which number is the odd one out: 69, 83, 31, 59? (a) 69 (b) 83 (c) 31 (d) 59
  27. 27.Which number is the odd one out: 13, 11, 53, 48? (a) 13 (b) 11 (c) 53 (d) 48
  28. 28.Which number is the odd one out: 78, 48, 66, 56? (a) 78 (b) 48 (c) 66 (d) 56
  29. 29.Which number is the odd one out: 48, 24, 82, 12? (a) 48 (b) 24 (c) 82 (d) 12
  30. 30.Which number is the odd one out: 43, 47, 73, 28? (a) 43 (b) 47 (c) 73 (d) 28
  31. 31.Which number is the odd one out: 49, 41, 59, 13? (a) 49 (b) 41 (c) 59 (d) 13
  32. 32.Which number is the odd one out: 29, 47, 43, 90? (a) 29 (b) 47 (c) 43 (d) 90
  33. 33.Which number is the odd one out: 65, 89, 97, 17? (a) 65 (b) 89 (c) 97 (d) 17
  34. 34.Which number is the odd one out: 20, 75, 51, 39? (a) 20 (b) 75 (c) 51 (d) 39
  35. 35.Which number is the odd one out: 13, 47, 99, 73? (a) 13 (b) 47 (c) 99 (d) 73
  36. 36.Which number is the odd one out: 73, 88, 83, 89? (a) 73 (b) 88 (c) 83 (d) 89
  37. 37.Which number is the odd one out: 83, 59, 73, 60? (a) 83 (b) 59 (c) 73 (d) 60
  38. 38.Which number is the odd one out: 91, 37, 59, 7? (a) 91 (b) 37 (c) 59 (d) 7
  39. 39.Which number is the odd one out: 32, 24, 77, 96? (a) 32 (b) 24 (c) 77 (d) 96
  40. 40.Which number is the odd one out: 76, 92, 98, 68? (a) 76 (b) 92 (c) 98 (d) 68

Answer key

  1. 83
  2. 50
  3. 39
  4. 86
  5. 4
  6. 62
  7. 73
  8. 38
  9. 75
  10. 39
  11. 14
  12. 9
  13. 11
  14. 42
  15. 21
  16. 42
  17. 98
  18. 27
  19. 82
  20. 93
  21. 75
  22. 44
  23. 27
  24. 42
  25. 49
  26. 69
  27. 48
  28. 56
  29. 82
  30. 28
  31. 49
  32. 90
  33. 65
  34. 20
  35. 99
  36. 88
  37. 60
  38. 91
  39. 77
  40. 98

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