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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 619 · 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: 3, 64, 4, 16? (a) 3 (b) 64 (c) 4 (d) 16
  2. 2.Which number is the odd one out: 83, 29, 96, 67? (a) 83 (b) 29 (c) 96 (d) 67
  3. 3.Which number is the odd one out: 73, 78, 66, 74? (a) 73 (b) 78 (c) 66 (d) 74
  4. 4.Which number is the odd one out: 66, 97, 6, 78? (a) 66 (b) 97 (c) 6 (d) 78
  5. 5.Which number is the odd one out: 41, 13, 51, 29? (a) 41 (b) 13 (c) 51 (d) 29
  6. 6.Which number is the odd one out: 29, 67, 79, 28? (a) 29 (b) 67 (c) 79 (d) 28
  7. 7.Which number is the odd one out: 73, 90, 83, 37? (a) 73 (b) 90 (c) 83 (d) 37
  8. 8.Which number is the odd one out: 18, 88, 54, 12? (a) 18 (b) 88 (c) 54 (d) 12
  9. 9.Which number is the odd one out: 42, 95, 10, 35? (a) 42 (b) 95 (c) 10 (d) 35
  10. 10.Which number is the odd one out: 33, 61, 29, 17? (a) 33 (b) 61 (c) 29 (d) 17
  11. 11.Which number is the odd one out: 48, 32, 96, 79? (a) 48 (b) 32 (c) 96 (d) 79
  12. 12.Which number is the odd one out: 96, 48, 95, 30? (a) 96 (b) 48 (c) 95 (d) 30
  13. 13.Which number is the odd one out: 91, 77, 26, 98? (a) 91 (b) 77 (c) 26 (d) 98
  14. 14.Which number is the odd one out: 54, 71, 67, 19? (a) 54 (b) 71 (c) 67 (d) 19
  15. 15.Which number is the odd one out: 97, 2, 47, 74? (a) 97 (b) 2 (c) 47 (d) 74
  16. 16.Which number is the odd one out: 80, 8, 30, 48? (a) 80 (b) 8 (c) 30 (d) 48
  17. 17.Which number is the odd one out: 43, 37, 2, 96? (a) 43 (b) 37 (c) 2 (d) 96
  18. 18.Which number is the odd one out: 6, 48, 24, 96? (a) 6 (b) 48 (c) 24 (d) 96
  19. 19.Which number is the odd one out: 28, 37, 71, 83? (a) 28 (b) 37 (c) 71 (d) 83
  20. 20.Which number is the odd one out: 17, 9, 37, 13? (a) 17 (b) 9 (c) 37 (d) 13
  21. 21.Which number is the odd one out: 53, 97, 5, 60? (a) 53 (b) 97 (c) 5 (d) 60
  22. 22.Which number is the odd one out: 19, 79, 17, 98? (a) 19 (b) 79 (c) 17 (d) 98
  23. 23.Which number is the odd one out: 11, 75, 30, 13? (a) 11 (b) 75 (c) 30 (d) 13
  24. 24.Which number is the odd one out: 6, 61, 47, 2? (a) 6 (b) 61 (c) 47 (d) 2
  25. 25.Which number is the odd one out: 89, 79, 37, 86? (a) 89 (b) 79 (c) 37 (d) 86
  26. 26.Which number is the odd one out: 5, 75, 29, 79? (a) 5 (b) 75 (c) 29 (d) 79
  27. 27.Which number is the odd one out: 29, 23, 64, 73? (a) 29 (b) 23 (c) 64 (d) 73
  28. 28.Which number is the odd one out: 41, 97, 58, 31? (a) 41 (b) 97 (c) 58 (d) 31
  29. 29.Which number is the odd one out: 66, 41, 59, 43? (a) 66 (b) 41 (c) 59 (d) 43
  30. 30.Which number is the odd one out: 61, 16, 4, 64? (a) 61 (b) 16 (c) 4 (d) 64
  31. 31.Which number is the odd one out: 18, 41, 37, 2? (a) 18 (b) 41 (c) 37 (d) 2
  32. 32.Which number is the odd one out: 17, 71, 64, 29? (a) 17 (b) 71 (c) 64 (d) 29
  33. 33.Which number is the odd one out: 95, 90, 18, 99? (a) 95 (b) 90 (c) 18 (d) 99
  34. 34.Which number is the odd one out: 43, 39, 89, 31? (a) 43 (b) 39 (c) 89 (d) 31
  35. 35.Which number is the odd one out: 38, 53, 13, 29? (a) 38 (b) 53 (c) 13 (d) 29
  36. 36.Which number is the odd one out: 72, 45, 96, 12? (a) 72 (b) 45 (c) 96 (d) 12
  37. 37.Which number is the odd one out: 37, 29, 60, 41? (a) 37 (b) 29 (c) 60 (d) 41
  38. 38.Which number is the odd one out: 2, 11, 28, 23? (a) 2 (b) 11 (c) 28 (d) 23
  39. 39.Which number is the odd one out: 37, 18, 89, 29? (a) 37 (b) 18 (c) 89 (d) 29
  40. 40.Which number is the odd one out: 4, 97, 47, 19? (a) 4 (b) 97 (c) 47 (d) 19

Answer key

  1. 3
  2. 96
  3. 73
  4. 97
  5. 51
  6. 28
  7. 90
  8. 88
  9. 42
  10. 33
  11. 79
  12. 95
  13. 26
  14. 54
  15. 74
  16. 30
  17. 96
  18. 6
  19. 28
  20. 9
  21. 60
  22. 98
  23. 30
  24. 6
  25. 86
  26. 75
  27. 64
  28. 58
  29. 66
  30. 61
  31. 18
  32. 64
  33. 95
  34. 39
  35. 38
  36. 45
  37. 60
  38. 28
  39. 18
  40. 4

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