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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 874 · 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: 3, 13, 96, 2? (a) 3 (b) 13 (c) 96 (d) 2
  2. 2.Which number is the odd one out: 79, 6, 2, 61? (a) 79 (b) 6 (c) 2 (d) 61
  3. 3.Which number is the odd one out: 43, 96, 47, 71? (a) 43 (b) 96 (c) 47 (d) 71
  4. 4.Which number is the odd one out: 11, 10, 23, 37? (a) 11 (b) 10 (c) 23 (d) 37
  5. 5.Which number is the odd one out: 66, 81, 72, 96? (a) 66 (b) 81 (c) 72 (d) 96
  6. 6.Which number is the odd one out: 16, 76, 64, 4? (a) 16 (b) 76 (c) 64 (d) 4
  7. 7.Which number is the odd one out: 29, 5, 17, 75? (a) 29 (b) 5 (c) 17 (d) 75
  8. 8.Which number is the odd one out: 53, 23, 14, 2? (a) 53 (b) 23 (c) 14 (d) 2
  9. 9.Which number is the odd one out: 9, 81, 27, 34? (a) 9 (b) 81 (c) 27 (d) 34
  10. 10.Which number is the odd one out: 26, 2, 29, 59? (a) 26 (b) 2 (c) 29 (d) 59
  11. 11.Which number is the odd one out: 66, 96, 97, 48? (a) 66 (b) 96 (c) 97 (d) 48
  12. 12.Which number is the odd one out: 24, 91, 32, 48? (a) 24 (b) 91 (c) 32 (d) 48
  13. 13.Which number is the odd one out: 71, 43, 10, 23? (a) 71 (b) 43 (c) 10 (d) 23
  14. 14.Which number is the odd one out: 19, 37, 23, 35? (a) 19 (b) 37 (c) 23 (d) 35
  15. 15.Which number is the odd one out: 67, 73, 13, 77? (a) 67 (b) 73 (c) 13 (d) 77
  16. 16.Which number is the odd one out: 24, 8, 79, 48? (a) 24 (b) 8 (c) 79 (d) 48
  17. 17.Which number is the odd one out: 7, 29, 21, 97? (a) 7 (b) 29 (c) 21 (d) 97
  18. 18.Which number is the odd one out: 57, 79, 43, 19? (a) 57 (b) 79 (c) 43 (d) 19
  19. 19.Which number is the odd one out: 53, 79, 90, 5? (a) 53 (b) 79 (c) 90 (d) 5
  20. 20.Which number is the odd one out: 71, 6, 43, 39? (a) 71 (b) 6 (c) 43 (d) 39
  21. 21.Which number is the odd one out: 83, 38, 47, 97? (a) 83 (b) 38 (c) 47 (d) 97
  22. 22.Which number is the odd one out: 7, 56, 24, 12? (a) 7 (b) 56 (c) 24 (d) 12
  23. 23.Which number is the odd one out: 97, 73, 81, 13? (a) 97 (b) 73 (c) 81 (d) 13
  24. 24.Which number is the odd one out: 20, 89, 5, 79? (a) 20 (b) 89 (c) 5 (d) 79
  25. 25.Which number is the odd one out: 90, 23, 13, 19? (a) 90 (b) 23 (c) 13 (d) 19
  26. 26.Which number is the odd one out: 47, 36, 37, 3? (a) 47 (b) 36 (c) 37 (d) 3
  27. 27.Which number is the odd one out: 83, 39, 79, 13? (a) 83 (b) 39 (c) 79 (d) 13
  28. 28.Which number is the odd one out: 97, 13, 89, 64? (a) 97 (b) 13 (c) 89 (d) 64
  29. 29.Which number is the odd one out: 89, 41, 62, 79? (a) 89 (b) 41 (c) 62 (d) 79
  30. 30.Which number is the odd one out: 33, 6, 24, 96? (a) 33 (b) 6 (c) 24 (d) 96
  31. 31.Which number is the odd one out: 78, 27, 54, 66? (a) 78 (b) 27 (c) 54 (d) 66
  32. 32.Which number is the odd one out: 47, 69, 31, 72? (a) 47 (b) 69 (c) 31 (d) 72
  33. 33.Which number is the odd one out: 6, 96, 77, 24? (a) 6 (b) 96 (c) 77 (d) 24
  34. 34.Which number is the odd one out: 37, 97, 53, 78? (a) 37 (b) 97 (c) 53 (d) 78
  35. 35.Which number is the odd one out: 89, 43, 91, 41? (a) 89 (b) 43 (c) 91 (d) 41
  36. 36.Which number is the odd one out: 19, 67, 28, 79? (a) 19 (b) 67 (c) 28 (d) 79
  37. 37.Which number is the odd one out: 32, 24, 71, 96? (a) 32 (b) 24 (c) 71 (d) 96
  38. 38.Which number is the odd one out: 76, 54, 92, 44? (a) 76 (b) 54 (c) 92 (d) 44
  39. 39.Which number is the odd one out: 97, 30, 67, 71? (a) 97 (b) 30 (c) 67 (d) 71
  40. 40.Which number is the odd one out: 44, 24, 31, 96? (a) 44 (b) 24 (c) 31 (d) 96

Answer key

  1. 96
  2. 6
  3. 96
  4. 10
  5. 81
  6. 76
  7. 75
  8. 14
  9. 34
  10. 26
  11. 97
  12. 91
  13. 10
  14. 35
  15. 77
  16. 79
  17. 21
  18. 57
  19. 90
  20. 6
  21. 38
  22. 7
  23. 81
  24. 20
  25. 90
  26. 36
  27. 39
  28. 64
  29. 62
  30. 33
  31. 27
  32. 72
  33. 77
  34. 78
  35. 91
  36. 28
  37. 71
  38. 54
  39. 30
  40. 31

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