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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 66 · 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: 8, 88, 6, 96? (a) 8 (b) 88 (c) 6 (d) 96
  2. 2.Which number is the odd one out: 3, 29, 39, 79? (a) 3 (b) 29 (c) 39 (d) 79
  3. 3.Which number is the odd one out: 2, 70, 23, 17? (a) 2 (b) 70 (c) 23 (d) 17
  4. 4.Which number is the odd one out: 70, 43, 61, 23? (a) 70 (b) 43 (c) 61 (d) 23
  5. 5.Which number is the odd one out: 2, 59, 17, 72? (a) 2 (b) 59 (c) 17 (d) 72
  6. 6.Which number is the odd one out: 65, 85, 55, 38? (a) 65 (b) 85 (c) 55 (d) 38
  7. 7.Which number is the odd one out: 21, 93, 69, 14? (a) 21 (b) 93 (c) 69 (d) 14
  8. 8.Which number is the odd one out: 2, 70, 77, 35? (a) 2 (b) 70 (c) 77 (d) 35
  9. 9.Which number is the odd one out: 18, 77, 54, 62? (a) 18 (b) 77 (c) 54 (d) 62
  10. 10.Which number is the odd one out: 17, 42, 79, 31? (a) 17 (b) 42 (c) 79 (d) 31
  11. 11.Which number is the odd one out: 73, 13, 10, 31? (a) 73 (b) 13 (c) 10 (d) 31
  12. 12.Which number is the odd one out: 90, 97, 73, 59? (a) 90 (b) 97 (c) 73 (d) 59
  13. 13.Which number is the odd one out: 71, 48, 76, 96? (a) 71 (b) 48 (c) 76 (d) 96
  14. 14.Which number is the odd one out: 73, 83, 79, 40? (a) 73 (b) 83 (c) 79 (d) 40
  15. 15.Which number is the odd one out: 4, 10, 64, 16? (a) 4 (b) 10 (c) 64 (d) 16
  16. 16.Which number is the odd one out: 29, 28, 97, 71? (a) 29 (b) 28 (c) 97 (d) 71
  17. 17.Which number is the odd one out: 29, 97, 6, 93? (a) 29 (b) 97 (c) 6 (d) 93
  18. 18.Which number is the odd one out: 41, 58, 73, 37? (a) 41 (b) 58 (c) 73 (d) 37
  19. 19.Which number is the odd one out: 30, 97, 61, 79? (a) 30 (b) 97 (c) 61 (d) 79
  20. 20.Which number is the odd one out: 48, 80, 34, 60? (a) 48 (b) 80 (c) 34 (d) 60
  21. 21.Which number is the odd one out: 57, 97, 17, 71? (a) 57 (b) 97 (c) 17 (d) 71
  22. 22.Which number is the odd one out: 67, 17, 85, 43? (a) 67 (b) 17 (c) 85 (d) 43
  23. 23.Which number is the odd one out: 67, 31, 61, 90? (a) 67 (b) 31 (c) 61 (d) 90
  24. 24.Which number is the odd one out: 32, 56, 84, 66? (a) 32 (b) 56 (c) 84 (d) 66
  25. 25.Which number is the odd one out: 66, 18, 54, 7? (a) 66 (b) 18 (c) 54 (d) 7
  26. 26.Which number is the odd one out: 13, 81, 11, 79? (a) 13 (b) 81 (c) 11 (d) 79
  27. 27.Which number is the odd one out: 88, 36, 48, 16? (a) 88 (b) 36 (c) 48 (d) 16
  28. 28.Which number is the odd one out: 16, 64, 2, 32? (a) 16 (b) 64 (c) 2 (d) 32
  29. 29.Which number is the odd one out: 13, 59, 84, 97? (a) 13 (b) 59 (c) 84 (d) 97
  30. 30.Which number is the odd one out: 89, 67, 52, 59? (a) 89 (b) 67 (c) 52 (d) 59
  31. 31.Which number is the odd one out: 71, 92, 19, 61? (a) 71 (b) 92 (c) 19 (d) 61
  32. 32.Which number is the odd one out: 17, 4, 19, 79? (a) 17 (b) 4 (c) 19 (d) 79
  33. 33.Which number is the odd one out: 97, 7, 21, 59? (a) 97 (b) 7 (c) 21 (d) 59
  34. 34.Which number is the odd one out: 49, 97, 43, 13? (a) 49 (b) 97 (c) 43 (d) 13
  35. 35.Which number is the odd one out: 24, 88, 12, 50? (a) 24 (b) 88 (c) 12 (d) 50
  36. 36.Which number is the odd one out: 11, 68, 23, 31? (a) 11 (b) 68 (c) 23 (d) 31
  37. 37.Which number is the odd one out: 23, 52, 31, 97? (a) 23 (b) 52 (c) 31 (d) 97
  38. 38.Which number is the odd one out: 67, 47, 7, 21? (a) 67 (b) 47 (c) 7 (d) 21
  39. 39.Which number is the odd one out: 29, 59, 11, 84? (a) 29 (b) 59 (c) 11 (d) 84
  40. 40.Which number is the odd one out: 61, 89, 29, 62? (a) 61 (b) 89 (c) 29 (d) 62

Answer key

  1. 6
  2. 39
  3. 70
  4. 70
  5. 72
  6. 38
  7. 14
  8. 2
  9. 77
  10. 42
  11. 10
  12. 90
  13. 71
  14. 40
  15. 10
  16. 28
  17. 6
  18. 58
  19. 30
  20. 34
  21. 57
  22. 85
  23. 90
  24. 66
  25. 7
  26. 81
  27. 36
  28. 2
  29. 84
  30. 52
  31. 92
  32. 4
  33. 21
  34. 49
  35. 50
  36. 68
  37. 52
  38. 21
  39. 84
  40. 62

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