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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 817 · 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: 43, 10, 97, 5? (a) 43 (b) 10 (c) 97 (d) 5
  2. 2.Which number is the odd one out: 2, 37, 54, 67? (a) 2 (b) 37 (c) 54 (d) 67
  3. 3.Which number is the odd one out: 54, 78, 5, 90? (a) 54 (b) 78 (c) 5 (d) 90
  4. 4.Which number is the odd one out: 64, 35, 16, 4? (a) 64 (b) 35 (c) 16 (d) 4
  5. 5.Which number is the odd one out: 75, 20, 65, 48? (a) 75 (b) 20 (c) 65 (d) 48
  6. 6.Which number is the odd one out: 29, 36, 71, 13? (a) 29 (b) 36 (c) 71 (d) 13
  7. 7.Which number is the odd one out: 24, 66, 27, 96? (a) 24 (b) 66 (c) 27 (d) 96
  8. 8.Which number is the odd one out: 89, 43, 64, 83? (a) 89 (b) 43 (c) 64 (d) 83
  9. 9.Which number is the odd one out: 34, 53, 31, 47? (a) 34 (b) 53 (c) 31 (d) 47
  10. 10.Which number is the odd one out: 52, 74, 96, 48? (a) 52 (b) 74 (c) 96 (d) 48
  11. 11.Which number is the odd one out: 38, 67, 79, 19? (a) 38 (b) 67 (c) 79 (d) 19
  12. 12.Which number is the odd one out: 76, 54, 60, 90? (a) 76 (b) 54 (c) 60 (d) 90
  13. 13.Which number is the odd one out: 65, 10, 67, 13? (a) 65 (b) 10 (c) 67 (d) 13
  14. 14.Which number is the odd one out: 96, 91, 48, 56? (a) 96 (b) 91 (c) 48 (d) 56
  15. 15.Which number is the odd one out: 40, 51, 80, 92? (a) 40 (b) 51 (c) 80 (d) 92
  16. 16.Which number is the odd one out: 11, 31, 37, 28? (a) 11 (b) 31 (c) 37 (d) 28
  17. 17.Which number is the odd one out: 64, 4, 16, 11? (a) 64 (b) 4 (c) 16 (d) 11
  18. 18.Which number is the odd one out: 89, 47, 8, 79? (a) 89 (b) 47 (c) 8 (d) 79
  19. 19.Which number is the odd one out: 48, 54, 21, 72? (a) 48 (b) 54 (c) 21 (d) 72
  20. 20.Which number is the odd one out: 67, 82, 43, 89? (a) 67 (b) 82 (c) 43 (d) 89
  21. 21.Which number is the odd one out: 9, 64, 44, 88? (a) 9 (b) 64 (c) 44 (d) 88
  22. 22.Which number is the odd one out: 99, 27, 9, 4? (a) 99 (b) 27 (c) 9 (d) 4
  23. 23.Which number is the odd one out: 95, 23, 17, 41? (a) 95 (b) 23 (c) 17 (d) 41
  24. 24.Which number is the odd one out: 90, 18, 45, 97? (a) 90 (b) 18 (c) 45 (d) 97
  25. 25.Which number is the odd one out: 73, 93, 3, 69? (a) 73 (b) 93 (c) 3 (d) 69
  26. 26.Which number is the odd one out: 68, 59, 37, 2? (a) 68 (b) 59 (c) 37 (d) 2
  27. 27.Which number is the odd one out: 61, 59, 37, 68? (a) 61 (b) 59 (c) 37 (d) 68
  28. 28.Which number is the odd one out: 43, 67, 83, 24? (a) 43 (b) 67 (c) 83 (d) 24
  29. 29.Which number is the odd one out: 83, 59, 47, 28? (a) 83 (b) 59 (c) 47 (d) 28
  30. 30.Which number is the odd one out: 71, 67, 53, 2? (a) 71 (b) 67 (c) 53 (d) 2
  31. 31.Which number is the odd one out: 11, 3, 90, 2? (a) 11 (b) 3 (c) 90 (d) 2
  32. 32.Which number is the odd one out: 11, 77, 13, 17? (a) 11 (b) 77 (c) 13 (d) 17
  33. 33.Which number is the odd one out: 53, 62, 37, 97? (a) 53 (b) 62 (c) 37 (d) 97
  34. 34.Which number is the odd one out: 52, 67, 44, 38? (a) 52 (b) 67 (c) 44 (d) 38
  35. 35.Which number is the odd one out: 61, 10, 67, 97? (a) 61 (b) 10 (c) 67 (d) 97
  36. 36.Which number is the odd one out: 16, 60, 64, 4? (a) 16 (b) 60 (c) 64 (d) 4
  37. 37.Which number is the odd one out: 19, 48, 78, 96? (a) 19 (b) 48 (c) 78 (d) 96
  38. 38.Which number is the odd one out: 58, 18, 30, 90? (a) 58 (b) 18 (c) 30 (d) 90
  39. 39.Which number is the odd one out: 17, 29, 46, 19? (a) 17 (b) 29 (c) 46 (d) 19
  40. 40.Which number is the odd one out: 5, 24, 96, 8? (a) 5 (b) 24 (c) 96 (d) 8

Answer key

  1. 10
  2. 54
  3. 5
  4. 35
  5. 48
  6. 36
  7. 27
  8. 64
  9. 34
  10. 74
  11. 38
  12. 76
  13. 10
  14. 91
  15. 51
  16. 28
  17. 11
  18. 8
  19. 21
  20. 82
  21. 9
  22. 4
  23. 95
  24. 97
  25. 73
  26. 68
  27. 68
  28. 24
  29. 28
  30. 2
  31. 90
  32. 77
  33. 62
  34. 67
  35. 10
  36. 60
  37. 19
  38. 58
  39. 46
  40. 5

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