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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 666 · 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: 6, 17, 41, 29? (a) 6 (b) 17 (c) 41 (d) 29
  2. 2.Which number is the odd one out: 72, 31, 11, 67? (a) 72 (b) 31 (c) 11 (d) 67
  3. 3.Which number is the odd one out: 89, 39, 73, 3? (a) 89 (b) 39 (c) 73 (d) 3
  4. 4.Which number is the odd one out: 77, 56, 72, 21? (a) 77 (b) 56 (c) 72 (d) 21
  5. 5.Which number is the odd one out: 7, 91, 71, 13? (a) 7 (b) 91 (c) 71 (d) 13
  6. 6.Which number is the odd one out: 70, 24, 91, 35? (a) 70 (b) 24 (c) 91 (d) 35
  7. 7.Which number is the odd one out: 90, 18, 30, 38? (a) 90 (b) 18 (c) 30 (d) 38
  8. 8.Which number is the odd one out: 31, 88, 53, 2? (a) 31 (b) 88 (c) 53 (d) 2
  9. 9.Which number is the odd one out: 89, 97, 72, 13? (a) 89 (b) 97 (c) 72 (d) 13
  10. 10.Which number is the odd one out: 68, 44, 77, 52? (a) 68 (b) 44 (c) 77 (d) 52
  11. 11.Which number is the odd one out: 53, 18, 19, 17? (a) 53 (b) 18 (c) 19 (d) 17
  12. 12.Which number is the odd one out: 98, 33, 93, 39? (a) 98 (b) 33 (c) 93 (d) 39
  13. 13.Which number is the odd one out: 81, 54, 9, 84? (a) 81 (b) 54 (c) 9 (d) 84
  14. 14.Which number is the odd one out: 83, 17, 39, 42? (a) 83 (b) 17 (c) 39 (d) 42
  15. 15.Which number is the odd one out: 10, 47, 61, 19? (a) 10 (b) 47 (c) 61 (d) 19
  16. 16.Which number is the odd one out: 47, 86, 11, 59? (a) 47 (b) 86 (c) 11 (d) 59
  17. 17.Which number is the odd one out: 34, 31, 11, 43? (a) 34 (b) 31 (c) 11 (d) 43
  18. 18.Which number is the odd one out: 83, 31, 87, 67? (a) 83 (b) 31 (c) 87 (d) 67
  19. 19.Which number is the odd one out: 97, 29, 67, 32? (a) 97 (b) 29 (c) 67 (d) 32
  20. 20.Which number is the odd one out: 4, 95, 25, 10? (a) 4 (b) 95 (c) 25 (d) 10
  21. 21.Which number is the odd one out: 96, 7, 92, 48? (a) 96 (b) 7 (c) 92 (d) 48
  22. 22.Which number is the odd one out: 53, 80, 17, 5? (a) 53 (b) 80 (c) 17 (d) 5
  23. 23.Which number is the odd one out: 61, 37, 48, 17? (a) 61 (b) 37 (c) 48 (d) 17
  24. 24.Which number is the odd one out: 59, 81, 43, 73? (a) 59 (b) 81 (c) 43 (d) 73
  25. 25.Which number is the odd one out: 63, 6, 18, 66? (a) 63 (b) 6 (c) 18 (d) 66
  26. 26.Which number is the odd one out: 11, 69, 83, 43? (a) 11 (b) 69 (c) 83 (d) 43
  27. 27.Which number is the odd one out: 29, 13, 89, 87? (a) 29 (b) 13 (c) 89 (d) 87
  28. 28.Which number is the odd one out: 54, 69, 37, 47? (a) 54 (b) 69 (c) 37 (d) 47
  29. 29.Which number is the odd one out: 98, 11, 31, 79? (a) 98 (b) 11 (c) 31 (d) 79
  30. 30.Which number is the odd one out: 59, 29, 41, 68? (a) 59 (b) 29 (c) 41 (d) 68
  31. 31.Which number is the odd one out: 11, 37, 98, 41? (a) 11 (b) 37 (c) 98 (d) 41
  32. 32.Which number is the odd one out: 37, 71, 17, 60? (a) 37 (b) 71 (c) 17 (d) 60
  33. 33.Which number is the odd one out: 89, 43, 47, 74? (a) 89 (b) 43 (c) 47 (d) 74
  34. 34.Which number is the odd one out: 59, 44, 3, 69? (a) 59 (b) 44 (c) 3 (d) 69
  35. 35.Which number is the odd one out: 53, 45, 23, 19? (a) 53 (b) 45 (c) 23 (d) 19
  36. 36.Which number is the odd one out: 47, 19, 31, 33? (a) 47 (b) 19 (c) 31 (d) 33
  37. 37.Which number is the odd one out: 64, 16, 32, 95? (a) 64 (b) 16 (c) 32 (d) 95
  38. 38.Which number is the odd one out: 29, 48, 24, 96? (a) 29 (b) 48 (c) 24 (d) 96
  39. 39.Which number is the odd one out: 8, 48, 96, 46? (a) 8 (b) 48 (c) 96 (d) 46
  40. 40.Which number is the odd one out: 95, 37, 23, 5? (a) 95 (b) 37 (c) 23 (d) 5

Answer key

  1. 6
  2. 72
  3. 39
  4. 72
  5. 91
  6. 24
  7. 38
  8. 88
  9. 72
  10. 77
  11. 18
  12. 98
  13. 84
  14. 42
  15. 10
  16. 86
  17. 34
  18. 87
  19. 32
  20. 4
  21. 7
  22. 80
  23. 48
  24. 81
  25. 63
  26. 69
  27. 87
  28. 54
  29. 98
  30. 68
  31. 98
  32. 60
  33. 74
  34. 44
  35. 45
  36. 33
  37. 95
  38. 29
  39. 46
  40. 95

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