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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 788 · 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: 75, 95, 5, 3? (a) 75 (b) 95 (c) 5 (d) 3
  2. 2.Which number is the odd one out: 79, 71, 61, 27? (a) 79 (b) 71 (c) 61 (d) 27
  3. 3.Which number is the odd one out: 72, 54, 65, 96? (a) 72 (b) 54 (c) 65 (d) 96
  4. 4.Which number is the odd one out: 61, 53, 3, 33? (a) 61 (b) 53 (c) 3 (d) 33
  5. 5.Which number is the odd one out: 64, 85, 16, 25? (a) 64 (b) 85 (c) 16 (d) 25
  6. 6.Which number is the odd one out: 16, 96, 64, 78? (a) 16 (b) 96 (c) 64 (d) 78
  7. 7.Which number is the odd one out: 45, 70, 35, 18? (a) 45 (b) 70 (c) 35 (d) 18
  8. 8.Which number is the odd one out: 83, 62, 53, 43? (a) 83 (b) 62 (c) 53 (d) 43
  9. 9.Which number is the odd one out: 71, 11, 84, 73? (a) 71 (b) 11 (c) 84 (d) 73
  10. 10.Which number is the odd one out: 88, 3, 32, 38? (a) 88 (b) 3 (c) 32 (d) 38
  11. 11.Which number is the odd one out: 39, 5, 87, 51? (a) 39 (b) 5 (c) 87 (d) 51
  12. 12.Which number is the odd one out: 77, 73, 41, 7? (a) 77 (b) 73 (c) 41 (d) 7
  13. 13.Which number is the odd one out: 8, 96, 24, 31? (a) 8 (b) 96 (c) 24 (d) 31
  14. 14.Which number is the odd one out: 2, 71, 42, 59? (a) 2 (b) 71 (c) 42 (d) 59
  15. 15.Which number is the odd one out: 32, 16, 64, 29? (a) 32 (b) 16 (c) 64 (d) 29
  16. 16.Which number is the odd one out: 88, 80, 96, 30? (a) 88 (b) 80 (c) 96 (d) 30
  17. 17.Which number is the odd one out: 17, 29, 47, 94? (a) 17 (b) 29 (c) 47 (d) 94
  18. 18.Which number is the odd one out: 13, 93, 11, 47? (a) 13 (b) 93 (c) 11 (d) 47
  19. 19.Which number is the odd one out: 52, 67, 97, 73? (a) 52 (b) 67 (c) 97 (d) 73
  20. 20.Which number is the odd one out: 14, 53, 23, 89? (a) 14 (b) 53 (c) 23 (d) 89
  21. 21.Which number is the odd one out: 35, 91, 96, 95? (a) 35 (b) 91 (c) 96 (d) 95
  22. 22.Which number is the odd one out: 17, 31, 79, 10? (a) 17 (b) 31 (c) 79 (d) 10
  23. 23.Which number is the odd one out: 65, 73, 47, 83? (a) 65 (b) 73 (c) 47 (d) 83
  24. 24.Which number is the odd one out: 93, 97, 89, 73? (a) 93 (b) 97 (c) 89 (d) 73
  25. 25.Which number is the odd one out: 83, 4, 61, 43? (a) 83 (b) 4 (c) 61 (d) 43
  26. 26.Which number is the odd one out: 55, 65, 95, 22? (a) 55 (b) 65 (c) 95 (d) 22
  27. 27.Which number is the odd one out: 72, 24, 18, 86? (a) 72 (b) 24 (c) 18 (d) 86
  28. 28.Which number is the odd one out: 8, 96, 48, 20? (a) 8 (b) 96 (c) 48 (d) 20
  29. 29.Which number is the odd one out: 21, 9, 16, 63? (a) 21 (b) 9 (c) 16 (d) 63
  30. 30.Which number is the odd one out: 13, 43, 47, 15? (a) 13 (b) 43 (c) 47 (d) 15
  31. 31.Which number is the odd one out: 53, 17, 29, 9? (a) 53 (b) 17 (c) 29 (d) 9
  32. 32.Which number is the odd one out: 88, 70, 56, 92? (a) 88 (b) 70 (c) 56 (d) 92
  33. 33.Which number is the odd one out: 6, 96, 48, 46? (a) 6 (b) 96 (c) 48 (d) 46
  34. 34.Which number is the odd one out: 79, 25, 43, 53? (a) 79 (b) 25 (c) 43 (d) 53
  35. 35.Which number is the odd one out: 89, 51, 67, 24? (a) 89 (b) 51 (c) 67 (d) 24
  36. 36.Which number is the odd one out: 37, 43, 80, 89? (a) 37 (b) 43 (c) 80 (d) 89
  37. 37.Which number is the odd one out: 2, 17, 24, 61? (a) 2 (b) 17 (c) 24 (d) 61
  38. 38.Which number is the odd one out: 31, 36, 3, 89? (a) 31 (b) 36 (c) 3 (d) 89
  39. 39.Which number is the odd one out: 79, 44, 73, 47? (a) 79 (b) 44 (c) 73 (d) 47
  40. 40.Which number is the odd one out: 53, 41, 19, 26? (a) 53 (b) 41 (c) 19 (d) 26

Answer key

  1. 3
  2. 27
  3. 65
  4. 33
  5. 85
  6. 78
  7. 18
  8. 62
  9. 84
  10. 3
  11. 5
  12. 77
  13. 31
  14. 42
  15. 29
  16. 30
  17. 94
  18. 93
  19. 52
  20. 14
  21. 96
  22. 10
  23. 65
  24. 93
  25. 4
  26. 22
  27. 86
  28. 20
  29. 16
  30. 15
  31. 9
  32. 70
  33. 46
  34. 25
  35. 24
  36. 80
  37. 24
  38. 36
  39. 44
  40. 26

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