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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 530 · 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: 29, 37, 32, 59? (a) 29 (b) 37 (c) 32 (d) 59
  2. 2.Which number is the odd one out: 43, 85, 37, 17? (a) 43 (b) 85 (c) 37 (d) 17
  3. 3.Which number is the odd one out: 8, 4, 82, 16? (a) 8 (b) 4 (c) 82 (d) 16
  4. 4.Which number is the odd one out: 62, 53, 13, 2? (a) 62 (b) 53 (c) 13 (d) 2
  5. 5.Which number is the odd one out: 56, 80, 7, 40? (a) 56 (b) 80 (c) 7 (d) 40
  6. 6.Which number is the odd one out: 91, 73, 59, 23? (a) 91 (b) 73 (c) 59 (d) 23
  7. 7.Which number is the odd one out: 4, 64, 50, 16? (a) 4 (b) 64 (c) 50 (d) 16
  8. 8.Which number is the odd one out: 13, 37, 43, 4? (a) 13 (b) 37 (c) 43 (d) 4
  9. 9.Which number is the odd one out: 21, 14, 98, 27? (a) 21 (b) 14 (c) 98 (d) 27
  10. 10.Which number is the odd one out: 35, 48, 96, 60? (a) 35 (b) 48 (c) 96 (d) 60
  11. 11.Which number is the odd one out: 64, 80, 10, 16? (a) 64 (b) 80 (c) 10 (d) 16
  12. 12.Which number is the odd one out: 16, 79, 71, 37? (a) 16 (b) 79 (c) 71 (d) 37
  13. 13.Which number is the odd one out: 18, 77, 14, 21? (a) 18 (b) 77 (c) 14 (d) 21
  14. 14.Which number is the odd one out: 82, 87, 62, 94? (a) 82 (b) 87 (c) 62 (d) 94
  15. 15.Which number is the odd one out: 52, 28, 70, 5? (a) 52 (b) 28 (c) 70 (d) 5
  16. 16.Which number is the odd one out: 97, 83, 73, 18? (a) 97 (b) 83 (c) 73 (d) 18
  17. 17.Which number is the odd one out: 30, 53, 47, 83? (a) 30 (b) 53 (c) 47 (d) 83
  18. 18.Which number is the odd one out: 16, 8, 49, 56? (a) 16 (b) 8 (c) 49 (d) 56
  19. 19.Which number is the odd one out: 25, 29, 47, 5? (a) 25 (b) 29 (c) 47 (d) 5
  20. 20.Which number is the odd one out: 43, 53, 34, 11? (a) 43 (b) 53 (c) 34 (d) 11
  21. 21.Which number is the odd one out: 33, 29, 90, 67? (a) 33 (b) 29 (c) 90 (d) 67
  22. 22.Which number is the odd one out: 73, 22, 83, 11? (a) 73 (b) 22 (c) 83 (d) 11
  23. 23.Which number is the odd one out: 11, 13, 93, 17? (a) 11 (b) 13 (c) 93 (d) 17
  24. 24.Which number is the odd one out: 30, 5, 13, 53? (a) 30 (b) 5 (c) 13 (d) 53
  25. 25.Which number is the odd one out: 61, 73, 79, 84? (a) 61 (b) 73 (c) 79 (d) 84
  26. 26.Which number is the odd one out: 47, 83, 41, 98? (a) 47 (b) 83 (c) 41 (d) 98
  27. 27.Which number is the odd one out: 43, 31, 47, 30? (a) 43 (b) 31 (c) 47 (d) 30
  28. 28.Which number is the odd one out: 45, 27, 9, 25? (a) 45 (b) 27 (c) 9 (d) 25
  29. 29.Which number is the odd one out: 89, 69, 29, 71? (a) 89 (b) 69 (c) 29 (d) 71
  30. 30.Which number is the odd one out: 19, 61, 53, 27? (a) 19 (b) 61 (c) 53 (d) 27
  31. 31.Which number is the odd one out: 19, 50, 40, 80? (a) 19 (b) 50 (c) 40 (d) 80
  32. 32.Which number is the odd one out: 45, 16, 64, 44? (a) 45 (b) 16 (c) 64 (d) 44
  33. 33.Which number is the odd one out: 60, 71, 83, 29? (a) 60 (b) 71 (c) 83 (d) 29
  34. 34.Which number is the odd one out: 54, 96, 72, 57? (a) 54 (b) 96 (c) 72 (d) 57
  35. 35.Which number is the odd one out: 96, 67, 83, 71? (a) 96 (b) 67 (c) 83 (d) 71
  36. 36.Which number is the odd one out: 73, 3, 75, 71? (a) 73 (b) 3 (c) 75 (d) 71
  37. 37.Which number is the odd one out: 37, 13, 73, 88? (a) 37 (b) 13 (c) 73 (d) 88
  38. 38.Which number is the odd one out: 73, 17, 97, 56? (a) 73 (b) 17 (c) 97 (d) 56
  39. 39.Which number is the odd one out: 67, 48, 97, 83? (a) 67 (b) 48 (c) 97 (d) 83
  40. 40.Which number is the odd one out: 72, 24, 18, 5? (a) 72 (b) 24 (c) 18 (d) 5

Answer key

  1. 32
  2. 85
  3. 82
  4. 62
  5. 7
  6. 91
  7. 50
  8. 4
  9. 27
  10. 35
  11. 10
  12. 16
  13. 18
  14. 87
  15. 5
  16. 18
  17. 30
  18. 49
  19. 25
  20. 34
  21. 90
  22. 22
  23. 93
  24. 30
  25. 84
  26. 98
  27. 30
  28. 25
  29. 69
  30. 27
  31. 19
  32. 45
  33. 60
  34. 57
  35. 96
  36. 75
  37. 88
  38. 56
  39. 48
  40. 5

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