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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 175 · 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: 29, 59, 15, 41? (a) 29 (b) 59 (c) 15 (d) 41
  2. 2.Which number is the odd one out: 69, 98, 3, 83? (a) 69 (b) 98 (c) 3 (d) 83
  3. 3.Which number is the odd one out: 83, 48, 24, 8? (a) 83 (b) 48 (c) 24 (d) 8
  4. 4.Which number is the odd one out: 73, 43, 32, 59? (a) 73 (b) 43 (c) 32 (d) 59
  5. 5.Which number is the odd one out: 2, 18, 54, 66? (a) 2 (b) 18 (c) 54 (d) 66
  6. 6.Which number is the odd one out: 61, 20, 5, 83? (a) 61 (b) 20 (c) 5 (d) 83
  7. 7.Which number is the odd one out: 37, 7, 42, 71? (a) 37 (b) 7 (c) 42 (d) 71
  8. 8.Which number is the odd one out: 64, 32, 16, 98? (a) 64 (b) 32 (c) 16 (d) 98
  9. 9.Which number is the odd one out: 51, 97, 12, 67? (a) 51 (b) 97 (c) 12 (d) 67
  10. 10.Which number is the odd one out: 16, 6, 64, 32? (a) 16 (b) 6 (c) 64 (d) 32
  11. 11.Which number is the odd one out: 13, 43, 61, 10? (a) 13 (b) 43 (c) 61 (d) 10
  12. 12.Which number is the odd one out: 43, 47, 56, 11? (a) 43 (b) 47 (c) 56 (d) 11
  13. 13.Which number is the odd one out: 7, 47, 98, 37? (a) 7 (b) 47 (c) 98 (d) 37
  14. 14.Which number is the odd one out: 13, 58, 2, 97? (a) 13 (b) 58 (c) 2 (d) 97
  15. 15.Which number is the odd one out: 53, 59, 20, 13? (a) 53 (b) 59 (c) 20 (d) 13
  16. 16.Which number is the odd one out: 73, 41, 22, 29? (a) 73 (b) 41 (c) 22 (d) 29
  17. 17.Which number is the odd one out: 96, 78, 24, 48? (a) 96 (b) 78 (c) 24 (d) 48
  18. 18.Which number is the odd one out: 73, 55, 41, 71? (a) 73 (b) 55 (c) 41 (d) 71
  19. 19.Which number is the odd one out: 19, 37, 23, 65? (a) 19 (b) 37 (c) 23 (d) 65
  20. 20.Which number is the odd one out: 40, 62, 80, 8? (a) 40 (b) 62 (c) 80 (d) 8
  21. 21.Which number is the odd one out: 70, 97, 41, 61? (a) 70 (b) 97 (c) 41 (d) 61
  22. 22.Which number is the odd one out: 97, 41, 23, 60? (a) 97 (b) 41 (c) 23 (d) 60
  23. 23.Which number is the odd one out: 78, 8, 72, 18? (a) 78 (b) 8 (c) 72 (d) 18
  24. 24.Which number is the odd one out: 70, 11, 23, 7? (a) 70 (b) 11 (c) 23 (d) 7
  25. 25.Which number is the odd one out: 30, 50, 20, 48? (a) 30 (b) 50 (c) 20 (d) 48
  26. 26.Which number is the odd one out: 20, 67, 37, 29? (a) 20 (b) 67 (c) 37 (d) 29
  27. 27.Which number is the odd one out: 37, 11, 29, 64? (a) 37 (b) 11 (c) 29 (d) 64
  28. 28.Which number is the odd one out: 70, 13, 83, 89? (a) 70 (b) 13 (c) 83 (d) 89
  29. 29.Which number is the odd one out: 17, 66, 41, 23? (a) 17 (b) 66 (c) 41 (d) 23
  30. 30.Which number is the odd one out: 62, 96, 48, 88? (a) 62 (b) 96 (c) 48 (d) 88
  31. 31.Which number is the odd one out: 11, 76, 61, 29? (a) 11 (b) 76 (c) 61 (d) 29
  32. 32.Which number is the odd one out: 47, 37, 96, 19? (a) 47 (b) 37 (c) 96 (d) 19
  33. 33.Which number is the odd one out: 13, 44, 41, 47? (a) 13 (b) 44 (c) 41 (d) 47
  34. 34.Which number is the odd one out: 83, 28, 67, 89? (a) 83 (b) 28 (c) 67 (d) 89
  35. 35.Which number is the odd one out: 7, 3, 97, 84? (a) 7 (b) 3 (c) 97 (d) 84
  36. 36.Which number is the odd one out: 22, 82, 9, 38? (a) 22 (b) 82 (c) 9 (d) 38
  37. 37.Which number is the odd one out: 41, 93, 23, 59? (a) 41 (b) 93 (c) 23 (d) 59
  38. 38.Which number is the odd one out: 71, 96, 83, 41? (a) 71 (b) 96 (c) 83 (d) 41
  39. 39.Which number is the odd one out: 53, 48, 37, 17? (a) 53 (b) 48 (c) 37 (d) 17
  40. 40.Which number is the odd one out: 11, 43, 37, 28? (a) 11 (b) 43 (c) 37 (d) 28

Answer key

  1. 15
  2. 98
  3. 83
  4. 32
  5. 2
  6. 20
  7. 42
  8. 98
  9. 12
  10. 6
  11. 10
  12. 56
  13. 98
  14. 58
  15. 20
  16. 22
  17. 78
  18. 55
  19. 65
  20. 62
  21. 70
  22. 60
  23. 8
  24. 70
  25. 48
  26. 20
  27. 64
  28. 70
  29. 66
  30. 62
  31. 76
  32. 96
  33. 44
  34. 28
  35. 84
  36. 9
  37. 93
  38. 96
  39. 48
  40. 28

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