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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 324 · 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: 73, 47, 13, 4? (a) 73 (b) 47 (c) 13 (d) 4
  2. 2.Which number is the odd one out: 6, 46, 5, 66? (a) 6 (b) 46 (c) 5 (d) 66
  3. 3.Which number is the odd one out: 48, 6, 93, 96? (a) 48 (b) 6 (c) 93 (d) 96
  4. 4.Which number is the odd one out: 2, 47, 84, 83? (a) 2 (b) 47 (c) 84 (d) 83
  5. 5.Which number is the odd one out: 12, 24, 89, 96? (a) 12 (b) 24 (c) 89 (d) 96
  6. 6.Which number is the odd one out: 83, 9, 61, 11? (a) 83 (b) 9 (c) 61 (d) 11
  7. 7.Which number is the odd one out: 15, 75, 65, 11? (a) 15 (b) 75 (c) 65 (d) 11
  8. 8.Which number is the odd one out: 8, 48, 62, 96? (a) 8 (b) 48 (c) 62 (d) 96
  9. 9.Which number is the odd one out: 13, 79, 89, 48? (a) 13 (b) 79 (c) 89 (d) 48
  10. 10.Which number is the odd one out: 24, 20, 80, 48? (a) 24 (b) 20 (c) 80 (d) 48
  11. 11.Which number is the odd one out: 31, 62, 2, 37? (a) 31 (b) 62 (c) 2 (d) 37
  12. 12.Which number is the odd one out: 48, 88, 24, 76? (a) 48 (b) 88 (c) 24 (d) 76
  13. 13.Which number is the odd one out: 37, 59, 97, 14? (a) 37 (b) 59 (c) 97 (d) 14
  14. 14.Which number is the odd one out: 97, 29, 73, 9? (a) 97 (b) 29 (c) 73 (d) 9
  15. 15.Which number is the odd one out: 4, 64, 33, 16? (a) 4 (b) 64 (c) 33 (d) 16
  16. 16.Which number is the odd one out: 25, 61, 29, 97? (a) 25 (b) 61 (c) 29 (d) 97
  17. 17.Which number is the odd one out: 4, 99, 27, 9? (a) 4 (b) 99 (c) 27 (d) 9
  18. 18.Which number is the odd one out: 40, 66, 6, 12? (a) 40 (b) 66 (c) 6 (d) 12
  19. 19.Which number is the odd one out: 47, 2, 23, 40? (a) 47 (b) 2 (c) 23 (d) 40
  20. 20.Which number is the odd one out: 55, 65, 32, 10? (a) 55 (b) 65 (c) 32 (d) 10
  21. 21.Which number is the odd one out: 5, 15, 97, 89? (a) 5 (b) 15 (c) 97 (d) 89
  22. 22.Which number is the odd one out: 13, 47, 29, 10? (a) 13 (b) 47 (c) 29 (d) 10
  23. 23.Which number is the odd one out: 47, 24, 53, 19? (a) 47 (b) 24 (c) 53 (d) 19
  24. 24.Which number is the odd one out: 67, 41, 13, 75? (a) 67 (b) 41 (c) 13 (d) 75
  25. 25.Which number is the odd one out: 33, 19, 3, 37? (a) 33 (b) 19 (c) 3 (d) 37
  26. 26.Which number is the odd one out: 61, 83, 95, 31? (a) 61 (b) 83 (c) 95 (d) 31
  27. 27.Which number is the odd one out: 31, 29, 38, 79? (a) 31 (b) 29 (c) 38 (d) 79
  28. 28.Which number is the odd one out: 59, 19, 90, 11? (a) 59 (b) 19 (c) 90 (d) 11
  29. 29.Which number is the odd one out: 32, 73, 19, 53? (a) 32 (b) 73 (c) 19 (d) 53
  30. 30.Which number is the odd one out: 57, 41, 23, 97? (a) 57 (b) 41 (c) 23 (d) 97
  31. 31.Which number is the odd one out: 11, 89, 96, 71? (a) 11 (b) 89 (c) 96 (d) 71
  32. 32.Which number is the odd one out: 88, 73, 59, 37? (a) 88 (b) 73 (c) 59 (d) 37
  33. 33.Which number is the odd one out: 30, 17, 61, 23? (a) 30 (b) 17 (c) 61 (d) 23
  34. 34.Which number is the odd one out: 98, 40, 8, 80? (a) 98 (b) 40 (c) 8 (d) 80
  35. 35.Which number is the odd one out: 80, 29, 2, 79? (a) 80 (b) 29 (c) 2 (d) 79
  36. 36.Which number is the odd one out: 16, 5, 32, 64? (a) 16 (b) 5 (c) 32 (d) 64
  37. 37.Which number is the odd one out: 93, 29, 67, 90? (a) 93 (b) 29 (c) 67 (d) 90
  38. 38.Which number is the odd one out: 97, 83, 17, 87? (a) 97 (b) 83 (c) 17 (d) 87
  39. 39.Which number is the odd one out: 80, 82, 40, 53? (a) 80 (b) 82 (c) 40 (d) 53
  40. 40.Which number is the odd one out: 33, 71, 73, 83? (a) 33 (b) 71 (c) 73 (d) 83

Answer key

  1. 4
  2. 5
  3. 93
  4. 84
  5. 89
  6. 9
  7. 11
  8. 62
  9. 48
  10. 20
  11. 62
  12. 76
  13. 14
  14. 9
  15. 33
  16. 25
  17. 4
  18. 40
  19. 40
  20. 32
  21. 15
  22. 10
  23. 24
  24. 75
  25. 33
  26. 95
  27. 38
  28. 90
  29. 32
  30. 57
  31. 96
  32. 88
  33. 30
  34. 98
  35. 80
  36. 5
  37. 90
  38. 87
  39. 53
  40. 33

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