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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 98 · 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: 86, 80, 32, 40? (a) 86 (b) 80 (c) 32 (d) 40
  2. 2.Which number is the odd one out: 7, 98, 79, 17? (a) 7 (b) 98 (c) 79 (d) 17
  3. 3.Which number is the odd one out: 13, 55, 20, 37? (a) 13 (b) 55 (c) 20 (d) 37
  4. 4.Which number is the odd one out: 48, 83, 96, 88? (a) 48 (b) 83 (c) 96 (d) 88
  5. 5.Which number is the odd one out: 12, 33, 24, 48? (a) 12 (b) 33 (c) 24 (d) 48
  6. 6.Which number is the odd one out: 70, 19, 11, 97? (a) 70 (b) 19 (c) 11 (d) 97
  7. 7.Which number is the odd one out: 12, 59, 61, 43? (a) 12 (b) 59 (c) 61 (d) 43
  8. 8.Which number is the odd one out: 19, 37, 17, 8? (a) 19 (b) 37 (c) 17 (d) 8
  9. 9.Which number is the odd one out: 6, 47, 41, 3? (a) 6 (b) 47 (c) 41 (d) 3
  10. 10.Which number is the odd one out: 31, 47, 96, 23? (a) 31 (b) 47 (c) 96 (d) 23
  11. 11.Which number is the odd one out: 35, 96, 30, 48? (a) 35 (b) 96 (c) 30 (d) 48
  12. 12.Which number is the odd one out: 70, 13, 59, 85? (a) 70 (b) 13 (c) 59 (d) 85
  13. 13.Which number is the odd one out: 53, 59, 19, 58? (a) 53 (b) 59 (c) 19 (d) 58
  14. 14.Which number is the odd one out: 54, 17, 11, 47? (a) 54 (b) 17 (c) 11 (d) 47
  15. 15.Which number is the odd one out: 2, 78, 67, 13? (a) 2 (b) 78 (c) 67 (d) 13
  16. 16.Which number is the odd one out: 13, 43, 33, 53? (a) 13 (b) 43 (c) 33 (d) 53
  17. 17.Which number is the odd one out: 52, 17, 53, 29? (a) 52 (b) 17 (c) 53 (d) 29
  18. 18.Which number is the odd one out: 15, 73, 71, 13? (a) 15 (b) 73 (c) 71 (d) 13
  19. 19.Which number is the odd one out: 11, 37, 14, 41? (a) 11 (b) 37 (c) 14 (d) 41
  20. 20.Which number is the odd one out: 13, 59, 3, 12? (a) 13 (b) 59 (c) 3 (d) 12
  21. 21.Which number is the odd one out: 17, 4, 37, 2? (a) 17 (b) 4 (c) 37 (d) 2
  22. 22.Which number is the odd one out: 19, 89, 31, 95? (a) 19 (b) 89 (c) 31 (d) 95
  23. 23.Which number is the odd one out: 13, 31, 6, 19? (a) 13 (b) 31 (c) 6 (d) 19
  24. 24.Which number is the odd one out: 75, 29, 89, 67? (a) 75 (b) 29 (c) 89 (d) 67
  25. 25.Which number is the odd one out: 95, 85, 65, 81? (a) 95 (b) 85 (c) 65 (d) 81
  26. 26.Which number is the odd one out: 43, 57, 97, 72? (a) 43 (b) 57 (c) 97 (d) 72
  27. 27.Which number is the odd one out: 53, 76, 67, 13? (a) 53 (b) 76 (c) 67 (d) 13
  28. 28.Which number is the odd one out: 24, 48, 65, 8? (a) 24 (b) 48 (c) 65 (d) 8
  29. 29.Which number is the odd one out: 7, 77, 91, 73? (a) 7 (b) 77 (c) 91 (d) 73
  30. 30.Which number is the odd one out: 37, 47, 17, 55? (a) 37 (b) 47 (c) 17 (d) 55
  31. 31.Which number is the odd one out: 30, 83, 59, 19? (a) 30 (b) 83 (c) 59 (d) 19
  32. 32.Which number is the odd one out: 6, 89, 71, 11? (a) 6 (b) 89 (c) 71 (d) 11
  33. 33.Which number is the odd one out: 73, 11, 75, 61? (a) 73 (b) 11 (c) 75 (d) 61
  34. 34.Which number is the odd one out: 18, 27, 65, 54? (a) 18 (b) 27 (c) 65 (d) 54
  35. 35.Which number is the odd one out: 19, 71, 77, 29? (a) 19 (b) 71 (c) 77 (d) 29
  36. 36.Which number is the odd one out: 31, 37, 83, 52? (a) 31 (b) 37 (c) 83 (d) 52
  37. 37.Which number is the odd one out: 13, 86, 79, 47? (a) 13 (b) 86 (c) 79 (d) 47
  38. 38.Which number is the odd one out: 72, 18, 24, 38? (a) 72 (b) 18 (c) 24 (d) 38
  39. 39.Which number is the odd one out: 96, 71, 29, 89? (a) 96 (b) 71 (c) 29 (d) 89
  40. 40.Which number is the odd one out: 59, 83, 33, 41? (a) 59 (b) 83 (c) 33 (d) 41

Answer key

  1. 86
  2. 98
  3. 20
  4. 83
  5. 33
  6. 70
  7. 12
  8. 8
  9. 6
  10. 96
  11. 35
  12. 70
  13. 58
  14. 54
  15. 78
  16. 33
  17. 52
  18. 15
  19. 14
  20. 12
  21. 4
  22. 95
  23. 6
  24. 75
  25. 81
  26. 72
  27. 76
  28. 65
  29. 73
  30. 55
  31. 30
  32. 6
  33. 75
  34. 65
  35. 77
  36. 52
  37. 86
  38. 38
  39. 96
  40. 33

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