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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 793 · 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: 17, 18, 73, 67? (a) 17 (b) 18 (c) 73 (d) 67
  2. 2.Which number is the odd one out: 75, 32, 44, 40? (a) 75 (b) 32 (c) 44 (d) 40
  3. 3.Which number is the odd one out: 3, 6, 13, 59? (a) 3 (b) 6 (c) 13 (d) 59
  4. 4.Which number is the odd one out: 40, 25, 26, 16? (a) 40 (b) 25 (c) 26 (d) 16
  5. 5.Which number is the odd one out: 14, 91, 77, 94? (a) 14 (b) 91 (c) 77 (d) 94
  6. 6.Which number is the odd one out: 18, 39, 96, 72? (a) 18 (b) 39 (c) 96 (d) 72
  7. 7.Which number is the odd one out: 43, 79, 17, 39? (a) 43 (b) 79 (c) 17 (d) 39
  8. 8.Which number is the odd one out: 40, 97, 67, 29? (a) 40 (b) 97 (c) 67 (d) 29
  9. 9.Which number is the odd one out: 23, 4, 11, 61? (a) 23 (b) 4 (c) 11 (d) 61
  10. 10.Which number is the odd one out: 88, 36, 24, 8? (a) 88 (b) 36 (c) 24 (d) 8
  11. 11.Which number is the odd one out: 79, 38, 37, 73? (a) 79 (b) 38 (c) 37 (d) 73
  12. 12.Which number is the odd one out: 53, 44, 62, 68? (a) 53 (b) 44 (c) 62 (d) 68
  13. 13.Which number is the odd one out: 41, 90, 61, 31? (a) 41 (b) 90 (c) 61 (d) 31
  14. 14.Which number is the odd one out: 71, 13, 38, 53? (a) 71 (b) 13 (c) 38 (d) 53
  15. 15.Which number is the odd one out: 97, 73, 31, 65? (a) 97 (b) 73 (c) 31 (d) 65
  16. 16.Which number is the odd one out: 29, 75, 5, 3? (a) 29 (b) 75 (c) 5 (d) 3
  17. 17.Which number is the odd one out: 89, 75, 5, 31? (a) 89 (b) 75 (c) 5 (d) 31
  18. 18.Which number is the odd one out: 74, 96, 48, 8? (a) 74 (b) 96 (c) 48 (d) 8
  19. 19.Which number is the odd one out: 71, 43, 34, 67? (a) 71 (b) 43 (c) 34 (d) 67
  20. 20.Which number is the odd one out: 59, 11, 89, 32? (a) 59 (b) 11 (c) 89 (d) 32
  21. 21.Which number is the odd one out: 37, 41, 13, 51? (a) 37 (b) 41 (c) 13 (d) 51
  22. 22.Which number is the odd one out: 32, 78, 88, 96? (a) 32 (b) 78 (c) 88 (d) 96
  23. 23.Which number is the odd one out: 41, 72, 29, 19? (a) 41 (b) 72 (c) 29 (d) 19
  24. 24.Which number is the odd one out: 73, 92, 31, 29? (a) 73 (b) 92 (c) 31 (d) 29
  25. 25.Which number is the odd one out: 60, 2, 11, 83? (a) 60 (b) 2 (c) 11 (d) 83
  26. 26.Which number is the odd one out: 41, 79, 61, 10? (a) 41 (b) 79 (c) 61 (d) 10
  27. 27.Which number is the odd one out: 47, 26, 19, 13? (a) 47 (b) 26 (c) 19 (d) 13
  28. 28.Which number is the odd one out: 7, 54, 18, 6? (a) 7 (b) 54 (c) 18 (d) 6
  29. 29.Which number is the odd one out: 73, 42, 41, 19? (a) 73 (b) 42 (c) 41 (d) 19
  30. 30.Which number is the odd one out: 16, 52, 64, 33? (a) 16 (b) 52 (c) 64 (d) 33
  31. 31.Which number is the odd one out: 13, 56, 37, 79? (a) 13 (b) 56 (c) 37 (d) 79
  32. 32.Which number is the odd one out: 10, 23, 53, 5? (a) 10 (b) 23 (c) 53 (d) 5
  33. 33.Which number is the odd one out: 11, 6, 71, 13? (a) 11 (b) 6 (c) 71 (d) 13
  34. 34.Which number is the odd one out: 95, 55, 5, 43? (a) 95 (b) 55 (c) 5 (d) 43
  35. 35.Which number is the odd one out: 61, 36, 67, 59? (a) 61 (b) 36 (c) 67 (d) 59
  36. 36.Which number is the odd one out: 79, 10, 23, 67? (a) 79 (b) 10 (c) 23 (d) 67
  37. 37.Which number is the odd one out: 7, 77, 22, 59? (a) 7 (b) 77 (c) 22 (d) 59
  38. 38.Which number is the odd one out: 89, 58, 17, 19? (a) 89 (b) 58 (c) 17 (d) 19
  39. 39.Which number is the odd one out: 87, 75, 80, 69? (a) 87 (b) 75 (c) 80 (d) 69
  40. 40.Which number is the odd one out: 35, 89, 97, 73? (a) 35 (b) 89 (c) 97 (d) 73

Answer key

  1. 18
  2. 75
  3. 6
  4. 25
  5. 94
  6. 39
  7. 39
  8. 40
  9. 4
  10. 36
  11. 38
  12. 53
  13. 90
  14. 38
  15. 65
  16. 75
  17. 75
  18. 74
  19. 34
  20. 32
  21. 51
  22. 78
  23. 72
  24. 92
  25. 60
  26. 10
  27. 26
  28. 7
  29. 42
  30. 33
  31. 56
  32. 10
  33. 6
  34. 43
  35. 36
  36. 10
  37. 22
  38. 58
  39. 80
  40. 35

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