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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 888 · 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: 41, 47, 13, 75? (a) 41 (b) 47 (c) 13 (d) 75
  2. 2.Which number is the odd one out: 19, 24, 3, 48? (a) 19 (b) 24 (c) 3 (d) 48
  3. 3.Which number is the odd one out: 11, 58, 59, 2? (a) 11 (b) 58 (c) 59 (d) 2
  4. 4.Which number is the odd one out: 17, 91, 83, 71? (a) 17 (b) 91 (c) 83 (d) 71
  5. 5.Which number is the odd one out: 43, 10, 89, 29? (a) 43 (b) 10 (c) 89 (d) 29
  6. 6.Which number is the odd one out: 79, 84, 47, 43? (a) 79 (b) 84 (c) 47 (d) 43
  7. 7.Which number is the odd one out: 89, 67, 8, 2? (a) 89 (b) 67 (c) 8 (d) 2
  8. 8.Which number is the odd one out: 8, 16, 32, 25? (a) 8 (b) 16 (c) 32 (d) 25
  9. 9.Which number is the odd one out: 19, 31, 60, 13? (a) 19 (b) 31 (c) 60 (d) 13
  10. 10.Which number is the odd one out: 83, 56, 7, 61? (a) 83 (b) 56 (c) 7 (d) 61
  11. 11.Which number is the odd one out: 59, 37, 18, 47? (a) 59 (b) 37 (c) 18 (d) 47
  12. 12.Which number is the odd one out: 71, 47, 73, 45? (a) 71 (b) 47 (c) 73 (d) 45
  13. 13.Which number is the odd one out: 2, 3, 43, 42? (a) 2 (b) 3 (c) 43 (d) 42
  14. 14.Which number is the odd one out: 19, 37, 71, 26? (a) 19 (b) 37 (c) 71 (d) 26
  15. 15.Which number is the odd one out: 24, 92, 12, 96? (a) 24 (b) 92 (c) 12 (d) 96
  16. 16.Which number is the odd one out: 10, 43, 73, 5? (a) 10 (b) 43 (c) 73 (d) 5
  17. 17.Which number is the odd one out: 17, 5, 47, 20? (a) 17 (b) 5 (c) 47 (d) 20
  18. 18.Which number is the odd one out: 96, 8, 53, 24? (a) 96 (b) 8 (c) 53 (d) 24
  19. 19.Which number is the odd one out: 2, 61, 46, 11? (a) 2 (b) 61 (c) 46 (d) 11
  20. 20.Which number is the odd one out: 2, 97, 29, 50? (a) 2 (b) 97 (c) 29 (d) 50
  21. 21.Which number is the odd one out: 26, 17, 41, 23? (a) 26 (b) 17 (c) 41 (d) 23
  22. 22.Which number is the odd one out: 9, 52, 82, 68? (a) 9 (b) 52 (c) 82 (d) 68
  23. 23.Which number is the odd one out: 72, 40, 30, 54? (a) 72 (b) 40 (c) 30 (d) 54
  24. 24.Which number is the odd one out: 3, 41, 19, 72? (a) 3 (b) 41 (c) 19 (d) 72
  25. 25.Which number is the odd one out: 47, 67, 4, 11? (a) 47 (b) 67 (c) 4 (d) 11
  26. 26.Which number is the odd one out: 66, 24, 16, 6? (a) 66 (b) 24 (c) 16 (d) 6
  27. 27.Which number is the odd one out: 30, 19, 83, 2? (a) 30 (b) 19 (c) 83 (d) 2
  28. 28.Which number is the odd one out: 13, 9, 59, 17? (a) 13 (b) 9 (c) 59 (d) 17
  29. 29.Which number is the odd one out: 81, 27, 9, 91? (a) 81 (b) 27 (c) 9 (d) 91
  30. 30.Which number is the odd one out: 72, 81, 96, 6? (a) 72 (b) 81 (c) 96 (d) 6
  31. 31.Which number is the odd one out: 43, 29, 20, 71? (a) 43 (b) 29 (c) 20 (d) 71
  32. 32.Which number is the odd one out: 29, 18, 61, 83? (a) 29 (b) 18 (c) 61 (d) 83
  33. 33.Which number is the odd one out: 23, 50, 43, 41? (a) 23 (b) 50 (c) 43 (d) 41
  34. 34.Which number is the odd one out: 67, 26, 89, 41? (a) 67 (b) 26 (c) 89 (d) 41
  35. 35.Which number is the odd one out: 43, 31, 54, 61? (a) 43 (b) 31 (c) 54 (d) 61
  36. 36.Which number is the odd one out: 89, 29, 19, 38? (a) 89 (b) 29 (c) 19 (d) 38
  37. 37.Which number is the odd one out: 23, 4, 79, 89? (a) 23 (b) 4 (c) 79 (d) 89
  38. 38.Which number is the odd one out: 40, 91, 5, 7? (a) 40 (b) 91 (c) 5 (d) 7
  39. 39.Which number is the odd one out: 59, 85, 41, 5? (a) 59 (b) 85 (c) 41 (d) 5
  40. 40.Which number is the odd one out: 9, 7, 27, 81? (a) 9 (b) 7 (c) 27 (d) 81

Answer key

  1. 75
  2. 19
  3. 58
  4. 91
  5. 10
  6. 84
  7. 8
  8. 25
  9. 60
  10. 56
  11. 18
  12. 45
  13. 42
  14. 26
  15. 92
  16. 10
  17. 20
  18. 53
  19. 46
  20. 50
  21. 26
  22. 9
  23. 40
  24. 72
  25. 4
  26. 16
  27. 30
  28. 9
  29. 91
  30. 81
  31. 20
  32. 18
  33. 50
  34. 26
  35. 54
  36. 38
  37. 4
  38. 40
  39. 85
  40. 7

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