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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 523 · 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: 65, 31, 59, 83? (a) 65 (b) 31 (c) 59 (d) 83
  2. 2.Which number is the odd one out: 29, 67, 22, 37? (a) 29 (b) 67 (c) 22 (d) 37
  3. 3.Which number is the odd one out: 85, 93, 70, 39? (a) 85 (b) 93 (c) 70 (d) 39
  4. 4.Which number is the odd one out: 79, 11, 6, 97? (a) 79 (b) 11 (c) 6 (d) 97
  5. 5.Which number is the odd one out: 12, 48, 96, 97? (a) 12 (b) 48 (c) 96 (d) 97
  6. 6.Which number is the odd one out: 4, 47, 83, 67? (a) 4 (b) 47 (c) 83 (d) 67
  7. 7.Which number is the odd one out: 51, 8, 80, 40? (a) 51 (b) 8 (c) 80 (d) 40
  8. 8.Which number is the odd one out: 30, 3, 61, 67? (a) 30 (b) 3 (c) 61 (d) 67
  9. 9.Which number is the odd one out: 11, 79, 56, 43? (a) 11 (b) 79 (c) 56 (d) 43
  10. 10.Which number is the odd one out: 55, 37, 83, 19? (a) 55 (b) 37 (c) 83 (d) 19
  11. 11.Which number is the odd one out: 8, 64, 21, 16? (a) 8 (b) 64 (c) 21 (d) 16
  12. 12.Which number is the odd one out: 79, 13, 18, 97? (a) 79 (b) 13 (c) 18 (d) 97
  13. 13.Which number is the odd one out: 67, 92, 29, 61? (a) 67 (b) 92 (c) 29 (d) 61
  14. 14.Which number is the odd one out: 77, 97, 26, 7? (a) 77 (b) 97 (c) 26 (d) 7
  15. 15.Which number is the odd one out: 10, 30, 60, 44? (a) 10 (b) 30 (c) 60 (d) 44
  16. 16.Which number is the odd one out: 74, 48, 96, 32? (a) 74 (b) 48 (c) 96 (d) 32
  17. 17.Which number is the odd one out: 75, 5, 66, 6? (a) 75 (b) 5 (c) 66 (d) 6
  18. 18.Which number is the odd one out: 59, 28, 97, 83? (a) 59 (b) 28 (c) 97 (d) 83
  19. 19.Which number is the odd one out: 17, 47, 11, 15? (a) 17 (b) 47 (c) 11 (d) 15
  20. 20.Which number is the odd one out: 31, 85, 79, 23? (a) 31 (b) 85 (c) 79 (d) 23
  21. 21.Which number is the odd one out: 75, 72, 30, 45? (a) 75 (b) 72 (c) 30 (d) 45
  22. 22.Which number is the odd one out: 25, 81, 55, 9? (a) 25 (b) 81 (c) 55 (d) 9
  23. 23.Which number is the odd one out: 7, 13, 89, 98? (a) 7 (b) 13 (c) 89 (d) 98
  24. 24.Which number is the odd one out: 70, 71, 37, 97? (a) 70 (b) 71 (c) 37 (d) 97
  25. 25.Which number is the odd one out: 90, 86, 30, 18? (a) 90 (b) 86 (c) 30 (d) 18
  26. 26.Which number is the odd one out: 48, 5, 24, 32? (a) 48 (b) 5 (c) 24 (d) 32
  27. 27.Which number is the odd one out: 31, 3, 59, 36? (a) 31 (b) 3 (c) 59 (d) 36
  28. 28.Which number is the odd one out: 88, 32, 38, 92? (a) 88 (b) 32 (c) 38 (d) 92
  29. 29.Which number is the odd one out: 36, 61, 37, 67? (a) 36 (b) 61 (c) 37 (d) 67
  30. 30.Which number is the odd one out: 19, 13, 53, 92? (a) 19 (b) 13 (c) 53 (d) 92
  31. 31.Which number is the odd one out: 97, 17, 71, 27? (a) 97 (b) 17 (c) 71 (d) 27
  32. 32.Which number is the odd one out: 3, 89, 97, 96? (a) 3 (b) 89 (c) 97 (d) 96
  33. 33.Which number is the odd one out: 98, 59, 37, 31? (a) 98 (b) 59 (c) 37 (d) 31
  34. 34.Which number is the odd one out: 16, 64, 68, 4? (a) 16 (b) 64 (c) 68 (d) 4
  35. 35.Which number is the odd one out: 32, 9, 64, 8? (a) 32 (b) 9 (c) 64 (d) 8
  36. 36.Which number is the odd one out: 71, 29, 42, 53? (a) 71 (b) 29 (c) 42 (d) 53
  37. 37.Which number is the odd one out: 19, 59, 41, 56? (a) 19 (b) 59 (c) 41 (d) 56
  38. 38.Which number is the odd one out: 53, 83, 61, 55? (a) 53 (b) 83 (c) 61 (d) 55
  39. 39.Which number is the odd one out: 22, 71, 97, 41? (a) 22 (b) 71 (c) 97 (d) 41
  40. 40.Which number is the odd one out: 49, 64, 91, 16? (a) 49 (b) 64 (c) 91 (d) 16

Answer key

  1. 65
  2. 22
  3. 70
  4. 6
  5. 97
  6. 4
  7. 51
  8. 30
  9. 56
  10. 55
  11. 21
  12. 18
  13. 92
  14. 26
  15. 44
  16. 74
  17. 5
  18. 28
  19. 15
  20. 85
  21. 72
  22. 55
  23. 98
  24. 70
  25. 86
  26. 5
  27. 36
  28. 38
  29. 36
  30. 92
  31. 27
  32. 96
  33. 98
  34. 68
  35. 9
  36. 42
  37. 56
  38. 55
  39. 22
  40. 91

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