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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 598 · 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: 37, 41, 19, 62? (a) 37 (b) 41 (c) 19 (d) 62
  2. 2.Which number is the odd one out: 68, 24, 70, 48? (a) 68 (b) 24 (c) 70 (d) 48
  3. 3.Which number is the odd one out: 47, 41, 59, 8? (a) 47 (b) 41 (c) 59 (d) 8
  4. 4.Which number is the odd one out: 24, 88, 12, 19? (a) 24 (b) 88 (c) 12 (d) 19
  5. 5.Which number is the odd one out: 31, 61, 3, 93? (a) 31 (b) 61 (c) 3 (d) 93
  6. 6.Which number is the odd one out: 37, 24, 96, 69? (a) 37 (b) 24 (c) 96 (d) 69
  7. 7.Which number is the odd one out: 17, 89, 19, 88? (a) 17 (b) 89 (c) 19 (d) 88
  8. 8.Which number is the odd one out: 71, 17, 43, 25? (a) 71 (b) 17 (c) 43 (d) 25
  9. 9.Which number is the odd one out: 97, 67, 13, 85? (a) 97 (b) 67 (c) 13 (d) 85
  10. 10.Which number is the odd one out: 21, 47, 11, 73? (a) 21 (b) 47 (c) 11 (d) 73
  11. 11.Which number is the odd one out: 83, 99, 78, 18? (a) 83 (b) 99 (c) 78 (d) 18
  12. 12.Which number is the odd one out: 79, 2, 41, 50? (a) 79 (b) 2 (c) 41 (d) 50
  13. 13.Which number is the odd one out: 31, 51, 43, 97? (a) 31 (b) 51 (c) 43 (d) 97
  14. 14.Which number is the odd one out: 79, 11, 73, 95? (a) 79 (b) 11 (c) 73 (d) 95
  15. 15.Which number is the odd one out: 6, 71, 37, 51? (a) 6 (b) 71 (c) 37 (d) 51
  16. 16.Which number is the odd one out: 19, 67, 47, 88? (a) 19 (b) 67 (c) 47 (d) 88
  17. 17.Which number is the odd one out: 13, 38, 11, 2? (a) 13 (b) 38 (c) 11 (d) 2
  18. 18.Which number is the odd one out: 30, 48, 8, 32? (a) 30 (b) 48 (c) 8 (d) 32
  19. 19.Which number is the odd one out: 59, 43, 9, 83? (a) 59 (b) 43 (c) 9 (d) 83
  20. 20.Which number is the odd one out: 9, 65, 81, 27? (a) 9 (b) 65 (c) 81 (d) 27
  21. 21.Which number is the odd one out: 31, 97, 5, 75? (a) 31 (b) 97 (c) 5 (d) 75
  22. 22.Which number is the odd one out: 79, 63, 7, 19? (a) 79 (b) 63 (c) 7 (d) 19
  23. 23.Which number is the odd one out: 42, 24, 56, 32? (a) 42 (b) 24 (c) 56 (d) 32
  24. 24.Which number is the odd one out: 13, 36, 61, 31? (a) 13 (b) 36 (c) 61 (d) 31
  25. 25.Which number is the odd one out: 12, 60, 30, 93? (a) 12 (b) 60 (c) 30 (d) 93
  26. 26.Which number is the odd one out: 81, 21, 77, 9? (a) 81 (b) 21 (c) 77 (d) 9
  27. 27.Which number is the odd one out: 97, 53, 96, 19? (a) 97 (b) 53 (c) 96 (d) 19
  28. 28.Which number is the odd one out: 84, 24, 64, 16? (a) 84 (b) 24 (c) 64 (d) 16
  29. 29.Which number is the odd one out: 18, 53, 13, 79? (a) 18 (b) 53 (c) 13 (d) 79
  30. 30.Which number is the odd one out: 67, 79, 6, 29? (a) 67 (b) 79 (c) 6 (d) 29
  31. 31.Which number is the odd one out: 98, 66, 28, 84? (a) 98 (b) 66 (c) 28 (d) 84
  32. 32.Which number is the odd one out: 61, 97, 90, 23? (a) 61 (b) 97 (c) 90 (d) 23
  33. 33.Which number is the odd one out: 89, 57, 59, 13? (a) 89 (b) 57 (c) 59 (d) 13
  34. 34.Which number is the odd one out: 64, 8, 21, 16? (a) 64 (b) 8 (c) 21 (d) 16
  35. 35.Which number is the odd one out: 11, 99, 81, 9? (a) 11 (b) 99 (c) 81 (d) 9
  36. 36.Which number is the odd one out: 18, 68, 92, 44? (a) 18 (b) 68 (c) 92 (d) 44
  37. 37.Which number is the odd one out: 55, 25, 81, 75? (a) 55 (b) 25 (c) 81 (d) 75
  38. 38.Which number is the odd one out: 43, 34, 79, 11? (a) 43 (b) 34 (c) 79 (d) 11
  39. 39.Which number is the odd one out: 74, 12, 96, 24? (a) 74 (b) 12 (c) 96 (d) 24
  40. 40.Which number is the odd one out: 8, 70, 32, 80? (a) 8 (b) 70 (c) 32 (d) 80

Answer key

  1. 62
  2. 70
  3. 8
  4. 19
  5. 93
  6. 37
  7. 88
  8. 25
  9. 85
  10. 21
  11. 83
  12. 50
  13. 51
  14. 95
  15. 6
  16. 88
  17. 38
  18. 30
  19. 9
  20. 65
  21. 75
  22. 63
  23. 42
  24. 36
  25. 93
  26. 77
  27. 96
  28. 84
  29. 18
  30. 6
  31. 66
  32. 90
  33. 57
  34. 21
  35. 11
  36. 18
  37. 81
  38. 34
  39. 74
  40. 70

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