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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 261 · 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: 40, 55, 48, 24? (a) 40 (b) 55 (c) 48 (d) 24
  2. 2.Which number is the odd one out: 59, 13, 37, 9? (a) 59 (b) 13 (c) 37 (d) 9
  3. 3.Which number is the odd one out: 3, 59, 37, 60? (a) 3 (b) 59 (c) 37 (d) 60
  4. 4.Which number is the odd one out: 73, 43, 90, 5? (a) 73 (b) 43 (c) 90 (d) 5
  5. 5.Which number is the odd one out: 41, 37, 6, 17? (a) 41 (b) 37 (c) 6 (d) 17
  6. 6.Which number is the odd one out: 50, 65, 73, 19? (a) 50 (b) 65 (c) 73 (d) 19
  7. 7.Which number is the odd one out: 97, 11, 31, 42? (a) 97 (b) 11 (c) 31 (d) 42
  8. 8.Which number is the odd one out: 37, 82, 41, 61? (a) 37 (b) 82 (c) 41 (d) 61
  9. 9.Which number is the odd one out: 13, 58, 17, 23? (a) 13 (b) 58 (c) 17 (d) 23
  10. 10.Which number is the odd one out: 38, 84, 77, 12? (a) 38 (b) 84 (c) 77 (d) 12
  11. 11.Which number is the odd one out: 2, 52, 13, 71? (a) 2 (b) 52 (c) 13 (d) 71
  12. 12.Which number is the odd one out: 90, 53, 13, 69? (a) 90 (b) 53 (c) 13 (d) 69
  13. 13.Which number is the odd one out: 68, 61, 97, 17? (a) 68 (b) 61 (c) 97 (d) 17
  14. 14.Which number is the odd one out: 8, 64, 80, 25? (a) 8 (b) 64 (c) 80 (d) 25
  15. 15.Which number is the odd one out: 59, 75, 17, 43? (a) 59 (b) 75 (c) 17 (d) 43
  16. 16.Which number is the odd one out: 55, 59, 11, 83? (a) 55 (b) 59 (c) 11 (d) 83
  17. 17.Which number is the odd one out: 79, 59, 32, 31? (a) 79 (b) 59 (c) 32 (d) 31
  18. 18.Which number is the odd one out: 89, 11, 20, 83? (a) 89 (b) 11 (c) 20 (d) 83
  19. 19.Which number is the odd one out: 17, 92, 13, 97? (a) 17 (b) 92 (c) 13 (d) 97
  20. 20.Which number is the odd one out: 29, 87, 59, 18? (a) 29 (b) 87 (c) 59 (d) 18
  21. 21.Which number is the odd one out: 29, 55, 14, 5? (a) 29 (b) 55 (c) 14 (d) 5
  22. 22.Which number is the odd one out: 73, 97, 64, 83? (a) 73 (b) 97 (c) 64 (d) 83
  23. 23.Which number is the odd one out: 8, 20, 90, 48? (a) 8 (b) 20 (c) 90 (d) 48
  24. 24.Which number is the odd one out: 22, 99, 9, 81? (a) 22 (b) 99 (c) 9 (d) 81
  25. 25.Which number is the odd one out: 89, 19, 20, 65? (a) 89 (b) 19 (c) 20 (d) 65
  26. 26.Which number is the odd one out: 54, 74, 67, 18? (a) 54 (b) 74 (c) 67 (d) 18
  27. 27.Which number is the odd one out: 17, 6, 43, 3? (a) 17 (b) 6 (c) 43 (d) 3
  28. 28.Which number is the odd one out: 2, 96, 71, 11? (a) 2 (b) 96 (c) 71 (d) 11
  29. 29.Which number is the odd one out: 90, 30, 37, 45? (a) 90 (b) 30 (c) 37 (d) 45
  30. 30.Which number is the odd one out: 54, 5, 78, 90? (a) 54 (b) 5 (c) 78 (d) 90
  31. 31.Which number is the odd one out: 43, 16, 19, 11? (a) 43 (b) 16 (c) 19 (d) 11
  32. 32.Which number is the odd one out: 90, 54, 30, 18? (a) 90 (b) 54 (c) 30 (d) 18
  33. 33.Which number is the odd one out: 33, 70, 15, 87? (a) 33 (b) 70 (c) 15 (d) 87
  34. 34.Which number is the odd one out: 24, 25, 80, 96? (a) 24 (b) 25 (c) 80 (d) 96
  35. 35.Which number is the odd one out: 79, 17, 16, 97? (a) 79 (b) 17 (c) 16 (d) 97
  36. 36.Which number is the odd one out: 89, 17, 23, 42? (a) 89 (b) 17 (c) 23 (d) 42
  37. 37.Which number is the odd one out: 17, 8, 83, 11? (a) 17 (b) 8 (c) 83 (d) 11
  38. 38.Which number is the odd one out: 6, 55, 15, 85? (a) 6 (b) 55 (c) 15 (d) 85
  39. 39.Which number is the odd one out: 47, 53, 3, 72? (a) 47 (b) 53 (c) 3 (d) 72
  40. 40.Which number is the odd one out: 77, 14, 50, 35? (a) 77 (b) 14 (c) 50 (d) 35

Answer key

  1. 55
  2. 9
  3. 60
  4. 90
  5. 6
  6. 50
  7. 42
  8. 82
  9. 58
  10. 77
  11. 52
  12. 90
  13. 68
  14. 25
  15. 75
  16. 55
  17. 32
  18. 20
  19. 92
  20. 18
  21. 14
  22. 64
  23. 90
  24. 22
  25. 20
  26. 67
  27. 6
  28. 96
  29. 37
  30. 5
  31. 16
  32. 30
  33. 70
  34. 25
  35. 16
  36. 42
  37. 8
  38. 6
  39. 72
  40. 50

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