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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 337 · 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: 6, 91, 48, 96? (a) 6 (b) 91 (c) 48 (d) 96
  2. 2.Which number is the odd one out: 32, 48, 22, 96? (a) 32 (b) 48 (c) 22 (d) 96
  3. 3.Which number is the odd one out: 48, 56, 96, 77? (a) 48 (b) 56 (c) 96 (d) 77
  4. 4.Which number is the odd one out: 71, 23, 15, 11? (a) 71 (b) 23 (c) 15 (d) 11
  5. 5.Which number is the odd one out: 37, 57, 23, 43? (a) 37 (b) 57 (c) 23 (d) 43
  6. 6.Which number is the odd one out: 7, 43, 49, 71? (a) 7 (b) 43 (c) 49 (d) 71
  7. 7.Which number is the odd one out: 31, 79, 43, 77? (a) 31 (b) 79 (c) 43 (d) 77
  8. 8.Which number is the odd one out: 88, 6, 32, 96? (a) 88 (b) 6 (c) 32 (d) 96
  9. 9.Which number is the odd one out: 61, 11, 22, 17? (a) 61 (b) 11 (c) 22 (d) 17
  10. 10.Which number is the odd one out: 17, 43, 2, 8? (a) 17 (b) 43 (c) 2 (d) 8
  11. 11.Which number is the odd one out: 87, 89, 43, 3? (a) 87 (b) 89 (c) 43 (d) 3
  12. 12.Which number is the odd one out: 64, 88, 65, 16? (a) 64 (b) 88 (c) 65 (d) 16
  13. 13.Which number is the odd one out: 31, 17, 21, 13? (a) 31 (b) 17 (c) 21 (d) 13
  14. 14.Which number is the odd one out: 97, 19, 37, 82? (a) 97 (b) 19 (c) 37 (d) 82
  15. 15.Which number is the odd one out: 24, 2, 79, 37? (a) 24 (b) 2 (c) 79 (d) 37
  16. 16.Which number is the odd one out: 61, 89, 58, 71? (a) 61 (b) 89 (c) 58 (d) 71
  17. 17.Which number is the odd one out: 79, 26, 41, 89? (a) 79 (b) 26 (c) 41 (d) 89
  18. 18.Which number is the odd one out: 18, 90, 60, 16? (a) 18 (b) 90 (c) 60 (d) 16
  19. 19.Which number is the odd one out: 56, 7, 73, 67? (a) 56 (b) 7 (c) 73 (d) 67
  20. 20.Which number is the odd one out: 31, 96, 48, 57? (a) 31 (b) 96 (c) 48 (d) 57
  21. 21.Which number is the odd one out: 37, 73, 82, 19? (a) 37 (b) 73 (c) 82 (d) 19
  22. 22.Which number is the odd one out: 29, 31, 33, 89? (a) 29 (b) 31 (c) 33 (d) 89
  23. 23.Which number is the odd one out: 13, 2, 48, 41? (a) 13 (b) 2 (c) 48 (d) 41
  24. 24.Which number is the odd one out: 29, 13, 20, 41? (a) 29 (b) 13 (c) 20 (d) 41
  25. 25.Which number is the odd one out: 90, 52, 88, 72? (a) 90 (b) 52 (c) 88 (d) 72
  26. 26.Which number is the odd one out: 31, 40, 79, 71? (a) 31 (b) 40 (c) 79 (d) 71
  27. 27.Which number is the odd one out: 53, 83, 50, 97? (a) 53 (b) 83 (c) 50 (d) 97
  28. 28.Which number is the odd one out: 60, 61, 29, 97? (a) 60 (b) 61 (c) 29 (d) 97
  29. 29.Which number is the odd one out: 77, 78, 54, 18? (a) 77 (b) 78 (c) 54 (d) 18
  30. 30.Which number is the odd one out: 79, 96, 78, 48? (a) 79 (b) 96 (c) 78 (d) 48
  31. 31.Which number is the odd one out: 75, 20, 15, 8? (a) 75 (b) 20 (c) 15 (d) 8
  32. 32.Which number is the odd one out: 71, 16, 83, 11? (a) 71 (b) 16 (c) 83 (d) 11
  33. 33.Which number is the odd one out: 89, 73, 28, 11? (a) 89 (b) 73 (c) 28 (d) 11
  34. 34.Which number is the odd one out: 54, 15, 18, 99? (a) 54 (b) 15 (c) 18 (d) 99
  35. 35.Which number is the odd one out: 43, 23, 65, 29? (a) 43 (b) 23 (c) 65 (d) 29
  36. 36.Which number is the odd one out: 14, 3, 77, 98? (a) 14 (b) 3 (c) 77 (d) 98
  37. 37.Which number is the odd one out: 61, 66, 97, 71? (a) 61 (b) 66 (c) 97 (d) 71
  38. 38.Which number is the odd one out: 13, 47, 71, 98? (a) 13 (b) 47 (c) 71 (d) 98
  39. 39.Which number is the odd one out: 11, 83, 59, 77? (a) 11 (b) 83 (c) 59 (d) 77
  40. 40.Which number is the odd one out: 74, 32, 88, 8? (a) 74 (b) 32 (c) 88 (d) 8

Answer key

  1. 91
  2. 22
  3. 77
  4. 15
  5. 57
  6. 49
  7. 77
  8. 6
  9. 22
  10. 8
  11. 87
  12. 65
  13. 21
  14. 82
  15. 24
  16. 58
  17. 26
  18. 16
  19. 56
  20. 31
  21. 82
  22. 33
  23. 48
  24. 20
  25. 90
  26. 40
  27. 50
  28. 60
  29. 77
  30. 79
  31. 8
  32. 16
  33. 28
  34. 15
  35. 65
  36. 3
  37. 66
  38. 98
  39. 77
  40. 74

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