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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 367 · 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: 54, 3, 43, 11? (a) 54 (b) 3 (c) 43 (d) 11
  2. 2.Which number is the odd one out: 16, 88, 64, 83? (a) 16 (b) 88 (c) 64 (d) 83
  3. 3.Which number is the odd one out: 73, 85, 50, 71? (a) 73 (b) 85 (c) 50 (d) 71
  4. 4.Which number is the odd one out: 6, 60, 30, 64? (a) 6 (b) 60 (c) 30 (d) 64
  5. 5.Which number is the odd one out: 42, 14, 72, 98? (a) 42 (b) 14 (c) 72 (d) 98
  6. 6.Which number is the odd one out: 17, 15, 37, 5? (a) 17 (b) 15 (c) 37 (d) 5
  7. 7.Which number is the odd one out: 12, 33, 23, 53? (a) 12 (b) 33 (c) 23 (d) 53
  8. 8.Which number is the odd one out: 91, 77, 41, 7? (a) 91 (b) 77 (c) 41 (d) 7
  9. 9.Which number is the odd one out: 79, 37, 47, 18? (a) 79 (b) 37 (c) 47 (d) 18
  10. 10.Which number is the odd one out: 51, 73, 19, 89? (a) 51 (b) 73 (c) 19 (d) 89
  11. 11.Which number is the odd one out: 67, 83, 85, 41? (a) 67 (b) 83 (c) 85 (d) 41
  12. 12.Which number is the odd one out: 17, 61, 71, 33? (a) 17 (b) 61 (c) 71 (d) 33
  13. 13.Which number is the odd one out: 5, 81, 9, 45? (a) 5 (b) 81 (c) 9 (d) 45
  14. 14.Which number is the odd one out: 13, 83, 29, 20? (a) 13 (b) 83 (c) 29 (d) 20
  15. 15.Which number is the odd one out: 80, 52, 24, 30? (a) 80 (b) 52 (c) 24 (d) 30
  16. 16.Which number is the odd one out: 24, 45, 27, 90? (a) 24 (b) 45 (c) 27 (d) 90
  17. 17.Which number is the odd one out: 7, 43, 80, 77? (a) 7 (b) 43 (c) 80 (d) 77
  18. 18.Which number is the odd one out: 59, 17, 93, 23? (a) 59 (b) 17 (c) 93 (d) 23
  19. 19.Which number is the odd one out: 89, 81, 36, 12? (a) 89 (b) 81 (c) 36 (d) 12
  20. 20.Which number is the odd one out: 35, 91, 14, 30? (a) 35 (b) 91 (c) 14 (d) 30
  21. 21.Which number is the odd one out: 3, 89, 13, 12? (a) 3 (b) 89 (c) 13 (d) 12
  22. 22.Which number is the odd one out: 32, 29, 47, 17? (a) 32 (b) 29 (c) 47 (d) 17
  23. 23.Which number is the odd one out: 12, 41, 17, 19? (a) 12 (b) 41 (c) 17 (d) 19
  24. 24.Which number is the odd one out: 5, 17, 25, 11? (a) 5 (b) 17 (c) 25 (d) 11
  25. 25.Which number is the odd one out: 47, 67, 71, 22? (a) 47 (b) 67 (c) 71 (d) 22
  26. 26.Which number is the odd one out: 81, 89, 3, 23? (a) 81 (b) 89 (c) 3 (d) 23
  27. 27.Which number is the odd one out: 92, 13, 2, 79? (a) 92 (b) 13 (c) 2 (d) 79
  28. 28.Which number is the odd one out: 13, 69, 61, 43? (a) 13 (b) 69 (c) 61 (d) 43
  29. 29.Which number is the odd one out: 19, 10, 89, 31? (a) 19 (b) 10 (c) 89 (d) 31
  30. 30.Which number is the odd one out: 77, 7, 80, 71? (a) 77 (b) 7 (c) 80 (d) 71
  31. 31.Which number is the odd one out: 31, 13, 79, 84? (a) 31 (b) 13 (c) 79 (d) 84
  32. 32.Which number is the odd one out: 33, 50, 85, 39? (a) 33 (b) 50 (c) 85 (d) 39
  33. 33.Which number is the odd one out: 37, 97, 79, 66? (a) 37 (b) 97 (c) 79 (d) 66
  34. 34.Which number is the odd one out: 73, 23, 53, 40? (a) 73 (b) 23 (c) 53 (d) 40
  35. 35.Which number is the odd one out: 70, 45, 63, 99? (a) 70 (b) 45 (c) 63 (d) 99
  36. 36.Which number is the odd one out: 8, 65, 80, 74? (a) 8 (b) 65 (c) 80 (d) 74
  37. 37.Which number is the odd one out: 62, 27, 69, 99? (a) 62 (b) 27 (c) 69 (d) 99
  38. 38.Which number is the odd one out: 8, 13, 17, 73? (a) 8 (b) 13 (c) 17 (d) 73
  39. 39.Which number is the odd one out: 15, 37, 47, 90? (a) 15 (b) 37 (c) 47 (d) 90
  40. 40.Which number is the odd one out: 42, 11, 71, 83? (a) 42 (b) 11 (c) 71 (d) 83

Answer key

  1. 54
  2. 83
  3. 50
  4. 64
  5. 72
  6. 15
  7. 12
  8. 41
  9. 18
  10. 51
  11. 85
  12. 33
  13. 5
  14. 20
  15. 30
  16. 24
  17. 80
  18. 93
  19. 89
  20. 30
  21. 12
  22. 32
  23. 12
  24. 25
  25. 22
  26. 81
  27. 92
  28. 69
  29. 10
  30. 80
  31. 84
  32. 50
  33. 66
  34. 40
  35. 70
  36. 65
  37. 62
  38. 8
  39. 90
  40. 42

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