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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 49 · 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, 38, 37, 11? (a) 47 (b) 38 (c) 37 (d) 11
  2. 2.Which number is the odd one out: 12, 11, 79, 73? (a) 12 (b) 11 (c) 79 (d) 73
  3. 3.Which number is the odd one out: 11, 84, 37, 41? (a) 11 (b) 84 (c) 37 (d) 41
  4. 4.Which number is the odd one out: 48, 27, 12, 72? (a) 48 (b) 27 (c) 12 (d) 72
  5. 5.Which number is the odd one out: 66, 83, 2, 59? (a) 66 (b) 83 (c) 2 (d) 59
  6. 6.Which number is the odd one out: 73, 33, 59, 67? (a) 73 (b) 33 (c) 59 (d) 67
  7. 7.Which number is the odd one out: 88, 48, 36, 64? (a) 88 (b) 48 (c) 36 (d) 64
  8. 8.Which number is the odd one out: 99, 96, 36, 81? (a) 99 (b) 96 (c) 36 (d) 81
  9. 9.Which number is the odd one out: 50, 81, 9, 75? (a) 50 (b) 81 (c) 9 (d) 75
  10. 10.Which number is the odd one out: 89, 61, 23, 57? (a) 89 (b) 61 (c) 23 (d) 57
  11. 11.Which number is the odd one out: 52, 81, 4, 9? (a) 52 (b) 81 (c) 4 (d) 9
  12. 12.Which number is the odd one out: 13, 23, 11, 21? (a) 13 (b) 23 (c) 11 (d) 21
  13. 13.Which number is the odd one out: 6, 17, 29, 37? (a) 6 (b) 17 (c) 29 (d) 37
  14. 14.Which number is the odd one out: 73, 17, 12, 31? (a) 73 (b) 17 (c) 12 (d) 31
  15. 15.Which number is the odd one out: 47, 29, 97, 62? (a) 47 (b) 29 (c) 97 (d) 62
  16. 16.Which number is the odd one out: 59, 19, 53, 65? (a) 59 (b) 19 (c) 53 (d) 65
  17. 17.Which number is the odd one out: 77, 7, 4, 83? (a) 77 (b) 7 (c) 4 (d) 83
  18. 18.Which number is the odd one out: 60, 91, 21, 98? (a) 60 (b) 91 (c) 21 (d) 98
  19. 19.Which number is the odd one out: 83, 93, 29, 19? (a) 83 (b) 93 (c) 29 (d) 19
  20. 20.Which number is the odd one out: 78, 66, 6, 91? (a) 78 (b) 66 (c) 6 (d) 91
  21. 21.Which number is the odd one out: 13, 38, 97, 47? (a) 13 (b) 38 (c) 97 (d) 47
  22. 22.Which number is the odd one out: 13, 50, 11, 23? (a) 13 (b) 50 (c) 11 (d) 23
  23. 23.Which number is the odd one out: 29, 41, 40, 5? (a) 29 (b) 41 (c) 40 (d) 5
  24. 24.Which number is the odd one out: 90, 3, 53, 79? (a) 90 (b) 3 (c) 53 (d) 79
  25. 25.Which number is the odd one out: 71, 97, 79, 9? (a) 71 (b) 97 (c) 79 (d) 9
  26. 26.Which number is the odd one out: 16, 51, 64, 32? (a) 16 (b) 51 (c) 64 (d) 32
  27. 27.Which number is the odd one out: 17, 92, 53, 71? (a) 17 (b) 92 (c) 53 (d) 71
  28. 28.Which number is the odd one out: 11, 53, 17, 12? (a) 11 (b) 53 (c) 17 (d) 12
  29. 29.Which number is the odd one out: 34, 13, 22, 38? (a) 34 (b) 13 (c) 22 (d) 38
  30. 30.Which number is the odd one out: 36, 47, 53, 37? (a) 36 (b) 47 (c) 53 (d) 37
  31. 31.Which number is the odd one out: 67, 17, 97, 55? (a) 67 (b) 17 (c) 97 (d) 55
  32. 32.Which number is the odd one out: 78, 59, 43, 17? (a) 78 (b) 59 (c) 43 (d) 17
  33. 33.Which number is the odd one out: 14, 77, 6, 21? (a) 14 (b) 77 (c) 6 (d) 21
  34. 34.Which number is the odd one out: 79, 22, 2, 13? (a) 79 (b) 22 (c) 2 (d) 13
  35. 35.Which number is the odd one out: 8, 40, 88, 30? (a) 8 (b) 40 (c) 88 (d) 30
  36. 36.Which number is the odd one out: 92, 30, 48, 40? (a) 92 (b) 30 (c) 48 (d) 40
  37. 37.Which number is the odd one out: 11, 54, 83, 17? (a) 11 (b) 54 (c) 83 (d) 17
  38. 38.Which number is the odd one out: 89, 71, 2, 90? (a) 89 (b) 71 (c) 2 (d) 90
  39. 39.Which number is the odd one out: 78, 30, 26, 25? (a) 78 (b) 30 (c) 26 (d) 25
  40. 40.Which number is the odd one out: 64, 8, 12, 16? (a) 64 (b) 8 (c) 12 (d) 16

Answer key

  1. 38
  2. 12
  3. 84
  4. 27
  5. 66
  6. 33
  7. 36
  8. 96
  9. 50
  10. 57
  11. 52
  12. 21
  13. 6
  14. 12
  15. 62
  16. 65
  17. 4
  18. 60
  19. 93
  20. 91
  21. 38
  22. 50
  23. 40
  24. 90
  25. 9
  26. 51
  27. 92
  28. 12
  29. 13
  30. 36
  31. 55
  32. 78
  33. 6
  34. 22
  35. 30
  36. 30
  37. 54
  38. 90
  39. 25
  40. 12

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