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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 507 · 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: 77, 28, 94, 92? (a) 77 (b) 28 (c) 94 (d) 92
  2. 2.Which number is the odd one out: 73, 13, 27, 29? (a) 73 (b) 13 (c) 27 (d) 29
  3. 3.Which number is the odd one out: 83, 8, 11, 17? (a) 83 (b) 8 (c) 11 (d) 17
  4. 4.Which number is the odd one out: 15, 27, 99, 95? (a) 15 (b) 27 (c) 99 (d) 95
  5. 5.Which number is the odd one out: 89, 79, 3, 12? (a) 89 (b) 79 (c) 3 (d) 12
  6. 6.Which number is the odd one out: 64, 7, 23, 49? (a) 64 (b) 7 (c) 23 (d) 49
  7. 7.Which number is the odd one out: 67, 54, 66, 18? (a) 67 (b) 54 (c) 66 (d) 18
  8. 8.Which number is the odd one out: 71, 18, 43, 41? (a) 71 (b) 18 (c) 43 (d) 41
  9. 9.Which number is the odd one out: 59, 72, 3, 53? (a) 59 (b) 72 (c) 3 (d) 53
  10. 10.Which number is the odd one out: 25, 9, 78, 18? (a) 25 (b) 9 (c) 78 (d) 18
  11. 11.Which number is the odd one out: 10, 61, 5, 73? (a) 10 (b) 61 (c) 5 (d) 73
  12. 12.Which number is the odd one out: 97, 41, 17, 64? (a) 97 (b) 41 (c) 17 (d) 64
  13. 13.Which number is the odd one out: 45, 75, 90, 6? (a) 45 (b) 75 (c) 90 (d) 6
  14. 14.Which number is the odd one out: 24, 53, 41, 19? (a) 24 (b) 53 (c) 41 (d) 19
  15. 15.Which number is the odd one out: 24, 88, 48, 2? (a) 24 (b) 88 (c) 48 (d) 2
  16. 16.Which number is the odd one out: 71, 91, 41, 31? (a) 71 (b) 91 (c) 41 (d) 31
  17. 17.Which number is the odd one out: 67, 23, 22, 61? (a) 67 (b) 23 (c) 22 (d) 61
  18. 18.Which number is the odd one out: 65, 50, 95, 68? (a) 65 (b) 50 (c) 95 (d) 68
  19. 19.Which number is the odd one out: 13, 28, 97, 11? (a) 13 (b) 28 (c) 97 (d) 11
  20. 20.Which number is the odd one out: 3, 23, 2, 36? (a) 3 (b) 23 (c) 2 (d) 36
  21. 21.Which number is the odd one out: 27, 42, 90, 45? (a) 27 (b) 42 (c) 90 (d) 45
  22. 22.Which number is the odd one out: 37, 61, 45, 53? (a) 37 (b) 61 (c) 45 (d) 53
  23. 23.Which number is the odd one out: 29, 54, 31, 53? (a) 29 (b) 54 (c) 31 (d) 53
  24. 24.Which number is the odd one out: 65, 41, 5, 55? (a) 65 (b) 41 (c) 5 (d) 55
  25. 25.Which number is the odd one out: 13, 11, 56, 7? (a) 13 (b) 11 (c) 56 (d) 7
  26. 26.Which number is the odd one out: 83, 60, 23, 33? (a) 83 (b) 60 (c) 23 (d) 33
  27. 27.Which number is the odd one out: 23, 37, 91, 71? (a) 23 (b) 37 (c) 91 (d) 71
  28. 28.Which number is the odd one out: 92, 32, 8, 62? (a) 92 (b) 32 (c) 8 (d) 62
  29. 29.Which number is the odd one out: 46, 41, 83, 43? (a) 46 (b) 41 (c) 83 (d) 43
  30. 30.Which number is the odd one out: 59, 47, 61, 32? (a) 59 (b) 47 (c) 61 (d) 32
  31. 31.Which number is the odd one out: 47, 65, 89, 83? (a) 47 (b) 65 (c) 89 (d) 83
  32. 32.Which number is the odd one out: 48, 24, 29, 88? (a) 48 (b) 24 (c) 29 (d) 88
  33. 33.Which number is the odd one out: 50, 31, 71, 11? (a) 50 (b) 31 (c) 71 (d) 11
  34. 34.Which number is the odd one out: 50, 47, 20, 76? (a) 50 (b) 47 (c) 20 (d) 76
  35. 35.Which number is the odd one out: 26, 19, 41, 37? (a) 26 (b) 19 (c) 41 (d) 37
  36. 36.Which number is the odd one out: 71, 17, 29, 55? (a) 71 (b) 17 (c) 29 (d) 55
  37. 37.Which number is the odd one out: 57, 96, 71, 31? (a) 57 (b) 96 (c) 71 (d) 31
  38. 38.Which number is the odd one out: 13, 89, 11, 27? (a) 13 (b) 89 (c) 11 (d) 27
  39. 39.Which number is the odd one out: 91, 90, 63, 35? (a) 91 (b) 90 (c) 63 (d) 35
  40. 40.Which number is the odd one out: 51, 85, 15, 22? (a) 51 (b) 85 (c) 15 (d) 22

Answer key

  1. 77
  2. 27
  3. 8
  4. 95
  5. 12
  6. 64
  7. 67
  8. 18
  9. 72
  10. 25
  11. 10
  12. 64
  13. 6
  14. 24
  15. 2
  16. 91
  17. 22
  18. 68
  19. 28
  20. 36
  21. 42
  22. 45
  23. 54
  24. 41
  25. 56
  26. 60
  27. 91
  28. 62
  29. 46
  30. 32
  31. 65
  32. 29
  33. 50
  34. 47
  35. 26
  36. 55
  37. 96
  38. 27
  39. 90
  40. 22

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