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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 872 · 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: 31, 90, 23, 89? (a) 31 (b) 90 (c) 23 (d) 89
  2. 2.Which number is the odd one out: 41, 17, 62, 13? (a) 41 (b) 17 (c) 62 (d) 13
  3. 3.Which number is the odd one out: 90, 54, 43, 30? (a) 90 (b) 54 (c) 43 (d) 30
  4. 4.Which number is the odd one out: 99, 18, 35, 90? (a) 99 (b) 18 (c) 35 (d) 90
  5. 5.Which number is the odd one out: 60, 3, 37, 31? (a) 60 (b) 3 (c) 37 (d) 31
  6. 6.Which number is the odd one out: 5, 3, 60, 2? (a) 5 (b) 3 (c) 60 (d) 2
  7. 7.Which number is the odd one out: 4, 91, 37, 7? (a) 4 (b) 91 (c) 37 (d) 7
  8. 8.Which number is the odd one out: 11, 60, 73, 71? (a) 11 (b) 60 (c) 73 (d) 71
  9. 9.Which number is the odd one out: 16, 66, 48, 78? (a) 16 (b) 66 (c) 48 (d) 78
  10. 10.Which number is the odd one out: 52, 32, 56, 7? (a) 52 (b) 32 (c) 56 (d) 7
  11. 11.Which number is the odd one out: 41, 33, 79, 72? (a) 41 (b) 33 (c) 79 (d) 72
  12. 12.Which number is the odd one out: 67, 23, 39, 43? (a) 67 (b) 23 (c) 39 (d) 43
  13. 13.Which number is the odd one out: 85, 5, 71, 97? (a) 85 (b) 5 (c) 71 (d) 97
  14. 14.Which number is the odd one out: 63, 77, 45, 91? (a) 63 (b) 77 (c) 45 (d) 91
  15. 15.Which number is the odd one out: 7, 84, 59, 97? (a) 7 (b) 84 (c) 59 (d) 97
  16. 16.Which number is the odd one out: 9, 81, 27, 11? (a) 9 (b) 81 (c) 27 (d) 11
  17. 17.Which number is the odd one out: 17, 43, 47, 30? (a) 17 (b) 43 (c) 47 (d) 30
  18. 18.Which number is the odd one out: 29, 59, 61, 38? (a) 29 (b) 59 (c) 61 (d) 38
  19. 19.Which number is the odd one out: 56, 42, 18, 54? (a) 56 (b) 42 (c) 18 (d) 54
  20. 20.Which number is the odd one out: 88, 32, 5, 40? (a) 88 (b) 32 (c) 5 (d) 40
  21. 21.Which number is the odd one out: 7, 67, 35, 31? (a) 7 (b) 67 (c) 35 (d) 31
  22. 22.Which number is the odd one out: 97, 3, 81, 59? (a) 97 (b) 3 (c) 81 (d) 59
  23. 23.Which number is the odd one out: 3, 19, 96, 67? (a) 3 (b) 19 (c) 96 (d) 67
  24. 24.Which number is the odd one out: 67, 31, 11, 35? (a) 67 (b) 31 (c) 11 (d) 35
  25. 25.Which number is the odd one out: 59, 37, 76, 29? (a) 59 (b) 37 (c) 76 (d) 29
  26. 26.Which number is the odd one out: 73, 92, 83, 29? (a) 73 (b) 92 (c) 83 (d) 29
  27. 27.Which number is the odd one out: 12, 70, 35, 91? (a) 12 (b) 70 (c) 35 (d) 91
  28. 28.Which number is the odd one out: 29, 54, 31, 47? (a) 29 (b) 54 (c) 31 (d) 47
  29. 29.Which number is the odd one out: 23, 3, 19, 6? (a) 23 (b) 3 (c) 19 (d) 6
  30. 30.Which number is the odd one out: 29, 71, 55, 5? (a) 29 (b) 71 (c) 55 (d) 5
  31. 31.Which number is the odd one out: 54, 18, 93, 27? (a) 54 (b) 18 (c) 93 (d) 27
  32. 32.Which number is the odd one out: 41, 64, 8, 16? (a) 41 (b) 64 (c) 8 (d) 16
  33. 33.Which number is the odd one out: 24, 53, 23, 67? (a) 24 (b) 53 (c) 23 (d) 67
  34. 34.Which number is the odd one out: 48, 25, 72, 18? (a) 48 (b) 25 (c) 72 (d) 18
  35. 35.Which number is the odd one out: 8, 56, 21, 32? (a) 8 (b) 56 (c) 21 (d) 32
  36. 36.Which number is the odd one out: 43, 17, 31, 26? (a) 43 (b) 17 (c) 31 (d) 26
  37. 37.Which number is the odd one out: 37, 12, 97, 59? (a) 37 (b) 12 (c) 97 (d) 59
  38. 38.Which number is the odd one out: 11, 17, 8, 19? (a) 11 (b) 17 (c) 8 (d) 19
  39. 39.Which number is the odd one out: 78, 90, 75, 18? (a) 78 (b) 90 (c) 75 (d) 18
  40. 40.Which number is the odd one out: 14, 70, 77, 85? (a) 14 (b) 70 (c) 77 (d) 85

Answer key

  1. 90
  2. 62
  3. 43
  4. 35
  5. 60
  6. 60
  7. 4
  8. 60
  9. 16
  10. 7
  11. 72
  12. 39
  13. 85
  14. 45
  15. 84
  16. 11
  17. 30
  18. 38
  19. 56
  20. 5
  21. 35
  22. 81
  23. 96
  24. 35
  25. 76
  26. 92
  27. 12
  28. 54
  29. 6
  30. 55
  31. 93
  32. 41
  33. 24
  34. 25
  35. 21
  36. 26
  37. 12
  38. 8
  39. 75
  40. 85

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