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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 954 · 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: 41, 59, 29, 18? (a) 41 (b) 59 (c) 29 (d) 18
  2. 2.Which number is the odd one out: 30, 97, 11, 59? (a) 30 (b) 97 (c) 11 (d) 59
  3. 3.Which number is the odd one out: 13, 73, 39, 19? (a) 13 (b) 73 (c) 39 (d) 19
  4. 4.Which number is the odd one out: 67, 9, 43, 47? (a) 67 (b) 9 (c) 43 (d) 47
  5. 5.Which number is the odd one out: 81, 96, 24, 54? (a) 81 (b) 96 (c) 24 (d) 54
  6. 6.Which number is the odd one out: 59, 19, 12, 31? (a) 59 (b) 19 (c) 12 (d) 31
  7. 7.Which number is the odd one out: 71, 18, 37, 47? (a) 71 (b) 18 (c) 37 (d) 47
  8. 8.Which number is the odd one out: 63, 11, 59, 17? (a) 63 (b) 11 (c) 59 (d) 17
  9. 9.Which number is the odd one out: 97, 11, 61, 63? (a) 97 (b) 11 (c) 61 (d) 63
  10. 10.Which number is the odd one out: 9, 71, 17, 11? (a) 9 (b) 71 (c) 17 (d) 11
  11. 11.Which number is the odd one out: 67, 34, 17, 71? (a) 67 (b) 34 (c) 17 (d) 71
  12. 12.Which number is the odd one out: 28, 37, 2, 83? (a) 28 (b) 37 (c) 2 (d) 83
  13. 13.Which number is the odd one out: 10, 50, 70, 77? (a) 10 (b) 50 (c) 70 (d) 77
  14. 14.Which number is the odd one out: 11, 16, 71, 43? (a) 11 (b) 16 (c) 71 (d) 43
  15. 15.Which number is the odd one out: 93, 71, 6, 17? (a) 93 (b) 71 (c) 6 (d) 17
  16. 16.Which number is the odd one out: 77, 16, 64, 49? (a) 77 (b) 16 (c) 64 (d) 49
  17. 17.Which number is the odd one out: 29, 43, 58, 2? (a) 29 (b) 43 (c) 58 (d) 2
  18. 18.Which number is the odd one out: 65, 75, 10, 15? (a) 65 (b) 75 (c) 10 (d) 15
  19. 19.Which number is the odd one out: 43, 29, 71, 22? (a) 43 (b) 29 (c) 71 (d) 22
  20. 20.Which number is the odd one out: 41, 64, 2, 37? (a) 41 (b) 64 (c) 2 (d) 37
  21. 21.Which number is the odd one out: 52, 38, 24, 48? (a) 52 (b) 38 (c) 24 (d) 48
  22. 22.Which number is the odd one out: 29, 33, 69, 93? (a) 29 (b) 33 (c) 69 (d) 93
  23. 23.Which number is the odd one out: 41, 11, 47, 55? (a) 41 (b) 11 (c) 47 (d) 55
  24. 24.Which number is the odd one out: 9, 50, 81, 99? (a) 9 (b) 50 (c) 81 (d) 99
  25. 25.Which number is the odd one out: 43, 53, 4, 29? (a) 43 (b) 53 (c) 4 (d) 29
  26. 26.Which number is the odd one out: 79, 37, 83, 65? (a) 79 (b) 37 (c) 83 (d) 65
  27. 27.Which number is the odd one out: 41, 24, 66, 32? (a) 41 (b) 24 (c) 66 (d) 32
  28. 28.Which number is the odd one out: 16, 25, 92, 88? (a) 16 (b) 25 (c) 92 (d) 88
  29. 29.Which number is the odd one out: 30, 23, 18, 90? (a) 30 (b) 23 (c) 18 (d) 90
  30. 30.Which number is the odd one out: 35, 48, 8, 24? (a) 35 (b) 48 (c) 8 (d) 24
  31. 31.Which number is the odd one out: 32, 25, 40, 88? (a) 32 (b) 25 (c) 40 (d) 88
  32. 32.Which number is the odd one out: 89, 3, 29, 60? (a) 89 (b) 3 (c) 29 (d) 60
  33. 33.Which number is the odd one out: 97, 53, 96, 29? (a) 97 (b) 53 (c) 96 (d) 29
  34. 34.Which number is the odd one out: 49, 96, 84, 88? (a) 49 (b) 96 (c) 84 (d) 88
  35. 35.Which number is the odd one out: 76, 92, 86, 44? (a) 76 (b) 92 (c) 86 (d) 44
  36. 36.Which number is the odd one out: 11, 94, 47, 67? (a) 11 (b) 94 (c) 47 (d) 67
  37. 37.Which number is the odd one out: 28, 98, 84, 54? (a) 28 (b) 98 (c) 84 (d) 54
  38. 38.Which number is the odd one out: 37, 36, 19, 59? (a) 37 (b) 36 (c) 19 (d) 59
  39. 39.Which number is the odd one out: 89, 97, 2, 10? (a) 89 (b) 97 (c) 2 (d) 10
  40. 40.Which number is the odd one out: 38, 59, 97, 17? (a) 38 (b) 59 (c) 97 (d) 17

Answer key

  1. 18
  2. 30
  3. 39
  4. 9
  5. 81
  6. 12
  7. 18
  8. 63
  9. 63
  10. 9
  11. 34
  12. 28
  13. 77
  14. 16
  15. 6
  16. 77
  17. 58
  18. 10
  19. 22
  20. 64
  21. 38
  22. 29
  23. 55
  24. 50
  25. 4
  26. 65
  27. 41
  28. 25
  29. 23
  30. 35
  31. 25
  32. 60
  33. 96
  34. 49
  35. 86
  36. 94
  37. 54
  38. 36
  39. 10
  40. 38

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