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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 352 · 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, 89, 21, 17? (a) 43 (b) 89 (c) 21 (d) 17
  2. 2.Which number is the odd one out: 97, 71, 48, 59? (a) 97 (b) 71 (c) 48 (d) 59
  3. 3.Which number is the odd one out: 45, 53, 41, 89? (a) 45 (b) 53 (c) 41 (d) 89
  4. 4.Which number is the odd one out: 83, 2, 71, 8? (a) 83 (b) 2 (c) 71 (d) 8
  5. 5.Which number is the odd one out: 16, 8, 19, 4? (a) 16 (b) 8 (c) 19 (d) 4
  6. 6.Which number is the odd one out: 35, 10, 98, 77? (a) 35 (b) 10 (c) 98 (d) 77
  7. 7.Which number is the odd one out: 94, 58, 82, 69? (a) 94 (b) 58 (c) 82 (d) 69
  8. 8.Which number is the odd one out: 10, 55, 88, 85? (a) 10 (b) 55 (c) 88 (d) 85
  9. 9.Which number is the odd one out: 13, 18, 83, 37? (a) 13 (b) 18 (c) 83 (d) 37
  10. 10.Which number is the odd one out: 10, 88, 16, 4? (a) 10 (b) 88 (c) 16 (d) 4
  11. 11.Which number is the odd one out: 43, 29, 93, 13? (a) 43 (b) 29 (c) 93 (d) 13
  12. 12.Which number is the odd one out: 45, 49, 30, 90? (a) 45 (b) 49 (c) 30 (d) 90
  13. 13.Which number is the odd one out: 96, 3, 97, 89? (a) 96 (b) 3 (c) 97 (d) 89
  14. 14.Which number is the odd one out: 73, 2, 7, 28? (a) 73 (b) 2 (c) 7 (d) 28
  15. 15.Which number is the odd one out: 20, 95, 12, 65? (a) 20 (b) 95 (c) 12 (d) 65
  16. 16.Which number is the odd one out: 17, 31, 28, 61? (a) 17 (b) 31 (c) 28 (d) 61
  17. 17.Which number is the odd one out: 11, 85, 89, 17? (a) 11 (b) 85 (c) 89 (d) 17
  18. 18.Which number is the odd one out: 9, 8, 32, 64? (a) 9 (b) 8 (c) 32 (d) 64
  19. 19.Which number is the odd one out: 8, 40, 5, 74? (a) 8 (b) 40 (c) 5 (d) 74
  20. 20.Which number is the odd one out: 69, 41, 53, 37? (a) 69 (b) 41 (c) 53 (d) 37
  21. 21.Which number is the odd one out: 92, 89, 8, 88? (a) 92 (b) 89 (c) 8 (d) 88
  22. 22.Which number is the odd one out: 19, 35, 17, 53? (a) 19 (b) 35 (c) 17 (d) 53
  23. 23.Which number is the odd one out: 59, 29, 6, 17? (a) 59 (b) 29 (c) 6 (d) 17
  24. 24.Which number is the odd one out: 12, 29, 37, 67? (a) 12 (b) 29 (c) 37 (d) 67
  25. 25.Which number is the odd one out: 22, 88, 79, 32? (a) 22 (b) 88 (c) 79 (d) 32
  26. 26.Which number is the odd one out: 23, 54, 47, 61? (a) 23 (b) 54 (c) 47 (d) 61
  27. 27.Which number is the odd one out: 37, 24, 48, 88? (a) 37 (b) 24 (c) 48 (d) 88
  28. 28.Which number is the odd one out: 27, 17, 54, 78? (a) 27 (b) 17 (c) 54 (d) 78
  29. 29.Which number is the odd one out: 24, 48, 96, 92? (a) 24 (b) 48 (c) 96 (d) 92
  30. 30.Which number is the odd one out: 64, 61, 71, 23? (a) 64 (b) 61 (c) 71 (d) 23
  31. 31.Which number is the odd one out: 3, 51, 79, 37? (a) 3 (b) 51 (c) 79 (d) 37
  32. 32.Which number is the odd one out: 32, 2, 88, 8? (a) 32 (b) 2 (c) 88 (d) 8
  33. 33.Which number is the odd one out: 12, 23, 39, 17? (a) 12 (b) 23 (c) 39 (d) 17
  34. 34.Which number is the odd one out: 13, 41, 32, 97? (a) 13 (b) 41 (c) 32 (d) 97
  35. 35.Which number is the odd one out: 4, 97, 47, 61? (a) 4 (b) 97 (c) 47 (d) 61
  36. 36.Which number is the odd one out: 56, 42, 65, 48? (a) 56 (b) 42 (c) 65 (d) 48
  37. 37.Which number is the odd one out: 72, 93, 33, 27? (a) 72 (b) 93 (c) 33 (d) 27
  38. 38.Which number is the odd one out: 24, 72, 54, 3? (a) 24 (b) 72 (c) 54 (d) 3
  39. 39.Which number is the odd one out: 96, 23, 61, 67? (a) 96 (b) 23 (c) 61 (d) 67
  40. 40.Which number is the odd one out: 47, 93, 29, 83? (a) 47 (b) 93 (c) 29 (d) 83

Answer key

  1. 21
  2. 48
  3. 45
  4. 8
  5. 19
  6. 10
  7. 69
  8. 88
  9. 18
  10. 10
  11. 93
  12. 49
  13. 96
  14. 28
  15. 12
  16. 28
  17. 85
  18. 9
  19. 5
  20. 69
  21. 89
  22. 35
  23. 6
  24. 12
  25. 79
  26. 54
  27. 37
  28. 17
  29. 92
  30. 64
  31. 51
  32. 2
  33. 12
  34. 32
  35. 4
  36. 65
  37. 72
  38. 3
  39. 96
  40. 93

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