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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 764 · 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: 44, 5, 8, 32? (a) 44 (b) 5 (c) 8 (d) 32
  2. 2.Which number is the odd one out: 29, 41, 37, 24? (a) 29 (b) 41 (c) 37 (d) 24
  3. 3.Which number is the odd one out: 59, 81, 67, 19? (a) 59 (b) 81 (c) 67 (d) 19
  4. 4.Which number is the odd one out: 67, 66, 11, 17? (a) 67 (b) 66 (c) 11 (d) 17
  5. 5.Which number is the odd one out: 38, 43, 11, 17? (a) 38 (b) 43 (c) 11 (d) 17
  6. 6.Which number is the odd one out: 35, 14, 98, 25? (a) 35 (b) 14 (c) 98 (d) 25
  7. 7.Which number is the odd one out: 84, 60, 42, 95? (a) 84 (b) 60 (c) 42 (d) 95
  8. 8.Which number is the odd one out: 43, 13, 23, 14? (a) 43 (b) 13 (c) 23 (d) 14
  9. 9.Which number is the odd one out: 3, 43, 61, 48? (a) 3 (b) 43 (c) 61 (d) 48
  10. 10.Which number is the odd one out: 66, 19, 43, 17? (a) 66 (b) 19 (c) 43 (d) 17
  11. 11.Which number is the odd one out: 29, 14, 98, 58? (a) 29 (b) 14 (c) 98 (d) 58
  12. 12.Which number is the odd one out: 69, 19, 72, 17? (a) 69 (b) 19 (c) 72 (d) 17
  13. 13.Which number is the odd one out: 88, 2, 8, 32? (a) 88 (b) 2 (c) 8 (d) 32
  14. 14.Which number is the odd one out: 57, 43, 60, 73? (a) 57 (b) 43 (c) 60 (d) 73
  15. 15.Which number is the odd one out: 77, 91, 14, 64? (a) 77 (b) 91 (c) 14 (d) 64
  16. 16.Which number is the odd one out: 17, 13, 53, 51? (a) 17 (b) 13 (c) 53 (d) 51
  17. 17.Which number is the odd one out: 90, 29, 17, 47? (a) 90 (b) 29 (c) 17 (d) 47
  18. 18.Which number is the odd one out: 23, 53, 37, 68? (a) 23 (b) 53 (c) 37 (d) 68
  19. 19.Which number is the odd one out: 90, 91, 35, 21? (a) 90 (b) 91 (c) 35 (d) 21
  20. 20.Which number is the odd one out: 79, 11, 53, 74? (a) 79 (b) 11 (c) 53 (d) 74
  21. 21.Which number is the odd one out: 7, 26, 22, 86? (a) 7 (b) 26 (c) 22 (d) 86
  22. 22.Which number is the odd one out: 87, 95, 85, 65? (a) 87 (b) 95 (c) 85 (d) 65
  23. 23.Which number is the odd one out: 47, 53, 17, 63? (a) 47 (b) 53 (c) 17 (d) 63
  24. 24.Which number is the odd one out: 60, 12, 67, 30? (a) 60 (b) 12 (c) 67 (d) 30
  25. 25.Which number is the odd one out: 16, 29, 19, 61? (a) 16 (b) 29 (c) 19 (d) 61
  26. 26.Which number is the odd one out: 59, 23, 79, 15? (a) 59 (b) 23 (c) 79 (d) 15
  27. 27.Which number is the odd one out: 53, 29, 42, 89? (a) 53 (b) 29 (c) 42 (d) 89
  28. 28.Which number is the odd one out: 63, 16, 9, 64? (a) 63 (b) 16 (c) 9 (d) 64
  29. 29.Which number is the odd one out: 63, 56, 99, 27? (a) 63 (b) 56 (c) 99 (d) 27
  30. 30.Which number is the odd one out: 57, 83, 37, 19? (a) 57 (b) 83 (c) 37 (d) 19
  31. 31.Which number is the odd one out: 97, 73, 38, 23? (a) 97 (b) 73 (c) 38 (d) 23
  32. 32.Which number is the odd one out: 97, 13, 95, 53? (a) 97 (b) 13 (c) 95 (d) 53
  33. 33.Which number is the odd one out: 66, 95, 10, 55? (a) 66 (b) 95 (c) 10 (d) 55
  34. 34.Which number is the odd one out: 11, 20, 53, 31? (a) 11 (b) 20 (c) 53 (d) 31
  35. 35.Which number is the odd one out: 73, 83, 31, 12? (a) 73 (b) 83 (c) 31 (d) 12
  36. 36.Which number is the odd one out: 40, 80, 26, 20? (a) 40 (b) 80 (c) 26 (d) 20
  37. 37.Which number is the odd one out: 19, 97, 73, 82? (a) 19 (b) 97 (c) 73 (d) 82
  38. 38.Which number is the odd one out: 59, 83, 2, 58? (a) 59 (b) 83 (c) 2 (d) 58
  39. 39.Which number is the odd one out: 61, 23, 97, 98? (a) 61 (b) 23 (c) 97 (d) 98
  40. 40.Which number is the odd one out: 64, 16, 20, 8? (a) 64 (b) 16 (c) 20 (d) 8

Answer key

  1. 5
  2. 24
  3. 81
  4. 66
  5. 38
  6. 25
  7. 95
  8. 14
  9. 48
  10. 66
  11. 29
  12. 72
  13. 2
  14. 60
  15. 64
  16. 51
  17. 90
  18. 68
  19. 90
  20. 74
  21. 7
  22. 87
  23. 63
  24. 67
  25. 16
  26. 15
  27. 42
  28. 63
  29. 56
  30. 57
  31. 38
  32. 95
  33. 66
  34. 20
  35. 12
  36. 26
  37. 82
  38. 58
  39. 98
  40. 20

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