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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 818 · 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: 47, 73, 62, 89? (a) 47 (b) 73 (c) 62 (d) 89
  2. 2.Which number is the odd one out: 43, 94, 17, 31? (a) 43 (b) 94 (c) 17 (d) 31
  3. 3.Which number is the odd one out: 78, 66, 69, 31? (a) 78 (b) 66 (c) 69 (d) 31
  4. 4.Which number is the odd one out: 38, 71, 83, 29? (a) 38 (b) 71 (c) 83 (d) 29
  5. 5.Which number is the odd one out: 41, 67, 77, 59? (a) 41 (b) 67 (c) 77 (d) 59
  6. 6.Which number is the odd one out: 41, 89, 79, 64? (a) 41 (b) 89 (c) 79 (d) 64
  7. 7.Which number is the odd one out: 6, 83, 43, 19? (a) 6 (b) 83 (c) 43 (d) 19
  8. 8.Which number is the odd one out: 59, 67, 66, 61? (a) 59 (b) 67 (c) 66 (d) 61
  9. 9.Which number is the odd one out: 27, 81, 9, 73? (a) 27 (b) 81 (c) 9 (d) 73
  10. 10.Which number is the odd one out: 23, 18, 31, 29? (a) 23 (b) 18 (c) 31 (d) 29
  11. 11.Which number is the odd one out: 83, 24, 41, 47? (a) 83 (b) 24 (c) 41 (d) 47
  12. 12.Which number is the odd one out: 54, 68, 80, 40? (a) 54 (b) 68 (c) 80 (d) 40
  13. 13.Which number is the odd one out: 97, 83, 13, 20? (a) 97 (b) 83 (c) 13 (d) 20
  14. 14.Which number is the odd one out: 24, 96, 38, 12? (a) 24 (b) 96 (c) 38 (d) 12
  15. 15.Which number is the odd one out: 7, 77, 73, 67? (a) 7 (b) 77 (c) 73 (d) 67
  16. 16.Which number is the odd one out: 13, 77, 23, 89? (a) 13 (b) 77 (c) 23 (d) 89
  17. 17.Which number is the odd one out: 13, 31, 82, 79? (a) 13 (b) 31 (c) 82 (d) 79
  18. 18.Which number is the odd one out: 83, 87, 30, 73? (a) 83 (b) 87 (c) 30 (d) 73
  19. 19.Which number is the odd one out: 31, 13, 94, 67? (a) 31 (b) 13 (c) 94 (d) 67
  20. 20.Which number is the odd one out: 31, 40, 47, 83? (a) 31 (b) 40 (c) 47 (d) 83
  21. 21.Which number is the odd one out: 3, 84, 91, 47? (a) 3 (b) 84 (c) 91 (d) 47
  22. 22.Which number is the odd one out: 8, 44, 24, 96? (a) 8 (b) 44 (c) 24 (d) 96
  23. 23.Which number is the odd one out: 20, 53, 79, 29? (a) 20 (b) 53 (c) 79 (d) 29
  24. 24.Which number is the odd one out: 81, 20, 27, 9? (a) 81 (b) 20 (c) 27 (d) 9
  25. 25.Which number is the odd one out: 71, 91, 14, 98? (a) 71 (b) 91 (c) 14 (d) 98
  26. 26.Which number is the odd one out: 24, 48, 93, 78? (a) 24 (b) 48 (c) 93 (d) 78
  27. 27.Which number is the odd one out: 61, 96, 37, 59? (a) 61 (b) 96 (c) 37 (d) 59
  28. 28.Which number is the odd one out: 27, 48, 96, 24? (a) 27 (b) 48 (c) 96 (d) 24
  29. 29.Which number is the odd one out: 61, 43, 4, 17? (a) 61 (b) 43 (c) 4 (d) 17
  30. 30.Which number is the odd one out: 73, 59, 97, 77? (a) 73 (b) 59 (c) 97 (d) 77
  31. 31.Which number is the odd one out: 78, 61, 3, 47? (a) 78 (b) 61 (c) 3 (d) 47
  32. 32.Which number is the odd one out: 40, 73, 31, 61? (a) 40 (b) 73 (c) 31 (d) 61
  33. 33.Which number is the odd one out: 83, 11, 29, 12? (a) 83 (b) 11 (c) 29 (d) 12
  34. 34.Which number is the odd one out: 2, 67, 79, 24? (a) 2 (b) 67 (c) 79 (d) 24
  35. 35.Which number is the odd one out: 97, 82, 43, 17? (a) 97 (b) 82 (c) 43 (d) 17
  36. 36.Which number is the odd one out: 42, 36, 14, 98? (a) 42 (b) 36 (c) 14 (d) 98
  37. 37.Which number is the odd one out: 90, 23, 45, 97? (a) 90 (b) 23 (c) 45 (d) 97
  38. 38.Which number is the odd one out: 31, 41, 20, 47? (a) 31 (b) 41 (c) 20 (d) 47
  39. 39.Which number is the odd one out: 96, 11, 97, 67? (a) 96 (b) 11 (c) 97 (d) 67
  40. 40.Which number is the odd one out: 13, 52, 67, 17? (a) 13 (b) 52 (c) 67 (d) 17

Answer key

  1. 62
  2. 94
  3. 31
  4. 38
  5. 77
  6. 64
  7. 6
  8. 66
  9. 73
  10. 18
  11. 24
  12. 54
  13. 20
  14. 38
  15. 77
  16. 77
  17. 82
  18. 30
  19. 94
  20. 40
  21. 84
  22. 44
  23. 20
  24. 20
  25. 71
  26. 93
  27. 96
  28. 27
  29. 4
  30. 77
  31. 78
  32. 40
  33. 12
  34. 24
  35. 82
  36. 36
  37. 90
  38. 20
  39. 96
  40. 52

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