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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 63 · 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: 52, 73, 44, 86? (a) 52 (b) 73 (c) 44 (d) 86
  2. 2.Which number is the odd one out: 24, 96, 32, 79? (a) 24 (b) 96 (c) 32 (d) 79
  3. 3.Which number is the odd one out: 83, 53, 62, 17? (a) 83 (b) 53 (c) 62 (d) 17
  4. 4.Which number is the odd one out: 88, 82, 12, 48? (a) 88 (b) 82 (c) 12 (d) 48
  5. 5.Which number is the odd one out: 19, 89, 61, 56? (a) 19 (b) 89 (c) 61 (d) 56
  6. 6.Which number is the odd one out: 67, 47, 61, 35? (a) 67 (b) 47 (c) 61 (d) 35
  7. 7.Which number is the odd one out: 40, 50, 9, 80? (a) 40 (b) 50 (c) 9 (d) 80
  8. 8.Which number is the odd one out: 11, 5, 73, 80? (a) 11 (b) 5 (c) 73 (d) 80
  9. 9.Which number is the odd one out: 48, 32, 85, 96? (a) 48 (b) 32 (c) 85 (d) 96
  10. 10.Which number is the odd one out: 89, 28, 2, 7? (a) 89 (b) 28 (c) 2 (d) 7
  11. 11.Which number is the odd one out: 85, 50, 98, 65? (a) 85 (b) 50 (c) 98 (d) 65
  12. 12.Which number is the odd one out: 67, 29, 41, 4? (a) 67 (b) 29 (c) 41 (d) 4
  13. 13.Which number is the odd one out: 97, 76, 79, 59? (a) 97 (b) 76 (c) 79 (d) 59
  14. 14.Which number is the odd one out: 59, 34, 17, 19? (a) 59 (b) 34 (c) 17 (d) 19
  15. 15.Which number is the odd one out: 40, 8, 80, 13? (a) 40 (b) 8 (c) 80 (d) 13
  16. 16.Which number is the odd one out: 66, 29, 73, 31? (a) 66 (b) 29 (c) 73 (d) 31
  17. 17.Which number is the odd one out: 14, 42, 56, 24? (a) 14 (b) 42 (c) 56 (d) 24
  18. 18.Which number is the odd one out: 73, 17, 98, 11? (a) 73 (b) 17 (c) 98 (d) 11
  19. 19.Which number is the odd one out: 19, 23, 64, 47? (a) 19 (b) 23 (c) 64 (d) 47
  20. 20.Which number is the odd one out: 13, 24, 43, 19? (a) 13 (b) 24 (c) 43 (d) 19
  21. 21.Which number is the odd one out: 18, 53, 23, 13? (a) 18 (b) 53 (c) 23 (d) 13
  22. 22.Which number is the odd one out: 37, 99, 23, 13? (a) 37 (b) 99 (c) 23 (d) 13
  23. 23.Which number is the odd one out: 71, 29, 6, 67? (a) 71 (b) 29 (c) 6 (d) 67
  24. 24.Which number is the odd one out: 96, 97, 87, 29? (a) 96 (b) 97 (c) 87 (d) 29
  25. 25.Which number is the odd one out: 57, 89, 73, 79? (a) 57 (b) 89 (c) 73 (d) 79
  26. 26.Which number is the odd one out: 40, 83, 15, 3? (a) 40 (b) 83 (c) 15 (d) 3
  27. 27.Which number is the odd one out: 8, 17, 29, 59? (a) 8 (b) 17 (c) 29 (d) 59
  28. 28.Which number is the odd one out: 66, 48, 96, 85? (a) 66 (b) 48 (c) 96 (d) 85
  29. 29.Which number is the odd one out: 23, 61, 90, 67? (a) 23 (b) 61 (c) 90 (d) 67
  30. 30.Which number is the odd one out: 2, 26, 17, 31? (a) 2 (b) 26 (c) 17 (d) 31
  31. 31.Which number is the odd one out: 13, 17, 70, 61? (a) 13 (b) 17 (c) 70 (d) 61
  32. 32.Which number is the odd one out: 31, 53, 33, 67? (a) 31 (b) 53 (c) 33 (d) 67
  33. 33.Which number is the odd one out: 39, 71, 61, 11? (a) 39 (b) 71 (c) 61 (d) 11
  34. 34.Which number is the odd one out: 29, 80, 17, 31? (a) 29 (b) 80 (c) 17 (d) 31
  35. 35.Which number is the odd one out: 6, 66, 50, 55? (a) 6 (b) 66 (c) 50 (d) 55
  36. 36.Which number is the odd one out: 16, 32, 88, 81? (a) 16 (b) 32 (c) 88 (d) 81
  37. 37.Which number is the odd one out: 2, 83, 61, 26? (a) 2 (b) 83 (c) 61 (d) 26
  38. 38.Which number is the odd one out: 6, 18, 91, 54? (a) 6 (b) 18 (c) 91 (d) 54
  39. 39.Which number is the odd one out: 90, 61, 73, 93? (a) 90 (b) 61 (c) 73 (d) 93
  40. 40.Which number is the odd one out: 13, 94, 97, 29? (a) 13 (b) 94 (c) 97 (d) 29

Answer key

  1. 73
  2. 79
  3. 62
  4. 82
  5. 56
  6. 35
  7. 9
  8. 80
  9. 85
  10. 28
  11. 98
  12. 4
  13. 76
  14. 34
  15. 13
  16. 66
  17. 24
  18. 98
  19. 64
  20. 24
  21. 18
  22. 99
  23. 6
  24. 96
  25. 57
  26. 40
  27. 8
  28. 85
  29. 90
  30. 26
  31. 70
  32. 33
  33. 39
  34. 80
  35. 55
  36. 81
  37. 26
  38. 91
  39. 90
  40. 94

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