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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 749 · 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: 19, 69, 11, 17? (a) 19 (b) 69 (c) 11 (d) 17
  2. 2.Which number is the odd one out: 30, 11, 23, 17? (a) 30 (b) 11 (c) 23 (d) 17
  3. 3.Which number is the odd one out: 59, 37, 7, 84? (a) 59 (b) 37 (c) 7 (d) 84
  4. 4.Which number is the odd one out: 17, 86, 59, 19? (a) 17 (b) 86 (c) 59 (d) 19
  5. 5.Which number is the odd one out: 85, 42, 15, 95? (a) 85 (b) 42 (c) 15 (d) 95
  6. 6.Which number is the odd one out: 37, 79, 67, 24? (a) 37 (b) 79 (c) 67 (d) 24
  7. 7.Which number is the odd one out: 90, 47, 53, 61? (a) 90 (b) 47 (c) 53 (d) 61
  8. 8.Which number is the odd one out: 8, 88, 63, 56? (a) 8 (b) 88 (c) 63 (d) 56
  9. 9.Which number is the odd one out: 47, 40, 83, 31? (a) 47 (b) 40 (c) 83 (d) 31
  10. 10.Which number is the odd one out: 78, 6, 8, 96? (a) 78 (b) 6 (c) 8 (d) 96
  11. 11.Which number is the odd one out: 24, 48, 6, 29? (a) 24 (b) 48 (c) 6 (d) 29
  12. 12.Which number is the odd one out: 29, 89, 24, 41? (a) 29 (b) 89 (c) 24 (d) 41
  13. 13.Which number is the odd one out: 31, 73, 26, 29? (a) 31 (b) 73 (c) 26 (d) 29
  14. 14.Which number is the odd one out: 16, 64, 44, 15? (a) 16 (b) 64 (c) 44 (d) 15
  15. 15.Which number is the odd one out: 85, 50, 10, 57? (a) 85 (b) 50 (c) 10 (d) 57
  16. 16.Which number is the odd one out: 61, 59, 36, 37? (a) 61 (b) 59 (c) 36 (d) 37
  17. 17.Which number is the odd one out: 15, 19, 47, 11? (a) 15 (b) 19 (c) 47 (d) 11
  18. 18.Which number is the odd one out: 31, 43, 37, 32? (a) 31 (b) 43 (c) 37 (d) 32
  19. 19.Which number is the odd one out: 4, 28, 64, 16? (a) 4 (b) 28 (c) 64 (d) 16
  20. 20.Which number is the odd one out: 47, 79, 55, 71? (a) 47 (b) 79 (c) 55 (d) 71
  21. 21.Which number is the odd one out: 18, 54, 50, 30? (a) 18 (b) 54 (c) 50 (d) 30
  22. 22.Which number is the odd one out: 28, 13, 59, 29? (a) 28 (b) 13 (c) 59 (d) 29
  23. 23.Which number is the odd one out: 32, 56, 8, 63? (a) 32 (b) 56 (c) 8 (d) 63
  24. 24.Which number is the odd one out: 8, 24, 88, 84? (a) 8 (b) 24 (c) 88 (d) 84
  25. 25.Which number is the odd one out: 70, 61, 11, 83? (a) 70 (b) 61 (c) 11 (d) 83
  26. 26.Which number is the odd one out: 23, 8, 43, 71? (a) 23 (b) 8 (c) 43 (d) 71
  27. 27.Which number is the odd one out: 6, 89, 3, 19? (a) 6 (b) 89 (c) 3 (d) 19
  28. 28.Which number is the odd one out: 13, 67, 5, 50? (a) 13 (b) 67 (c) 5 (d) 50
  29. 29.Which number is the odd one out: 40, 96, 30, 91? (a) 40 (b) 96 (c) 30 (d) 91
  30. 30.Which number is the odd one out: 2, 78, 73, 59? (a) 2 (b) 78 (c) 73 (d) 59
  31. 31.Which number is the odd one out: 19, 40, 5, 11? (a) 19 (b) 40 (c) 5 (d) 11
  32. 32.Which number is the odd one out: 39, 33, 98, 51? (a) 39 (b) 33 (c) 98 (d) 51
  33. 33.Which number is the odd one out: 35, 6, 42, 78? (a) 35 (b) 6 (c) 42 (d) 78
  34. 34.Which number is the odd one out: 48, 24, 96, 51? (a) 48 (b) 24 (c) 96 (d) 51
  35. 35.Which number is the odd one out: 30, 24, 88, 8? (a) 30 (b) 24 (c) 88 (d) 8
  36. 36.Which number is the odd one out: 17, 25, 43, 37? (a) 17 (b) 25 (c) 43 (d) 37
  37. 37.Which number is the odd one out: 89, 59, 41, 66? (a) 89 (b) 59 (c) 41 (d) 66
  38. 38.Which number is the odd one out: 23, 46, 62, 38? (a) 23 (b) 46 (c) 62 (d) 38
  39. 39.Which number is the odd one out: 29, 59, 16, 89? (a) 29 (b) 59 (c) 16 (d) 89
  40. 40.Which number is the odd one out: 57, 48, 24, 96? (a) 57 (b) 48 (c) 24 (d) 96

Answer key

  1. 69
  2. 30
  3. 84
  4. 86
  5. 42
  6. 24
  7. 90
  8. 63
  9. 40
  10. 8
  11. 29
  12. 24
  13. 26
  14. 15
  15. 57
  16. 36
  17. 15
  18. 32
  19. 28
  20. 55
  21. 50
  22. 28
  23. 63
  24. 84
  25. 70
  26. 8
  27. 6
  28. 50
  29. 91
  30. 78
  31. 40
  32. 98
  33. 35
  34. 51
  35. 30
  36. 25
  37. 66
  38. 23
  39. 16
  40. 57

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