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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 647 · 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: 31, 13, 54, 37? (a) 31 (b) 13 (c) 54 (d) 37
  2. 2.Which number is the odd one out: 73, 17, 71, 45? (a) 73 (b) 17 (c) 71 (d) 45
  3. 3.Which number is the odd one out: 25, 81, 9, 10? (a) 25 (b) 81 (c) 9 (d) 10
  4. 4.Which number is the odd one out: 72, 18, 48, 54? (a) 72 (b) 18 (c) 48 (d) 54
  5. 5.Which number is the odd one out: 2, 19, 6, 37? (a) 2 (b) 19 (c) 6 (d) 37
  6. 6.Which number is the odd one out: 78, 72, 90, 40? (a) 78 (b) 72 (c) 90 (d) 40
  7. 7.Which number is the odd one out: 7, 98, 2, 97? (a) 7 (b) 98 (c) 2 (d) 97
  8. 8.Which number is the odd one out: 94, 80, 40, 52? (a) 94 (b) 80 (c) 40 (d) 52
  9. 9.Which number is the odd one out: 19, 29, 31, 68? (a) 19 (b) 29 (c) 31 (d) 68
  10. 10.Which number is the odd one out: 52, 3, 68, 94? (a) 52 (b) 3 (c) 68 (d) 94
  11. 11.Which number is the odd one out: 77, 14, 41, 17? (a) 77 (b) 14 (c) 41 (d) 17
  12. 12.Which number is the odd one out: 53, 78, 3, 11? (a) 53 (b) 78 (c) 3 (d) 11
  13. 13.Which number is the odd one out: 53, 23, 73, 60? (a) 53 (b) 23 (c) 73 (d) 60
  14. 14.Which number is the odd one out: 52, 47, 68, 92? (a) 52 (b) 47 (c) 68 (d) 92
  15. 15.Which number is the odd one out: 64, 25, 68, 32? (a) 64 (b) 25 (c) 68 (d) 32
  16. 16.Which number is the odd one out: 11, 15, 5, 73? (a) 11 (b) 15 (c) 5 (d) 73
  17. 17.Which number is the odd one out: 13, 9, 89, 19? (a) 13 (b) 9 (c) 89 (d) 19
  18. 18.Which number is the odd one out: 96, 52, 8, 24? (a) 96 (b) 52 (c) 8 (d) 24
  19. 19.Which number is the odd one out: 52, 59, 42, 84? (a) 52 (b) 59 (c) 42 (d) 84
  20. 20.Which number is the odd one out: 57, 15, 4, 95? (a) 57 (b) 15 (c) 4 (d) 95
  21. 21.Which number is the odd one out: 10, 71, 31, 19? (a) 10 (b) 71 (c) 31 (d) 19
  22. 22.Which number is the odd one out: 24, 74, 32, 48? (a) 24 (b) 74 (c) 32 (d) 48
  23. 23.Which number is the odd one out: 70, 98, 91, 45? (a) 70 (b) 98 (c) 91 (d) 45
  24. 24.Which number is the odd one out: 82, 24, 60, 80? (a) 82 (b) 24 (c) 60 (d) 80
  25. 25.Which number is the odd one out: 89, 61, 43, 91? (a) 89 (b) 61 (c) 43 (d) 91
  26. 26.Which number is the odd one out: 29, 73, 95, 47? (a) 29 (b) 73 (c) 95 (d) 47
  27. 27.Which number is the odd one out: 59, 30, 11, 41? (a) 59 (b) 30 (c) 11 (d) 41
  28. 28.Which number is the odd one out: 9, 45, 81, 65? (a) 9 (b) 45 (c) 81 (d) 65
  29. 29.Which number is the odd one out: 11, 83, 30, 5? (a) 11 (b) 83 (c) 30 (d) 5
  30. 30.Which number is the odd one out: 13, 12, 83, 59? (a) 13 (b) 12 (c) 83 (d) 59
  31. 31.Which number is the odd one out: 49, 8, 56, 16? (a) 49 (b) 8 (c) 56 (d) 16
  32. 32.Which number is the odd one out: 92, 24, 47, 96? (a) 92 (b) 24 (c) 47 (d) 96
  33. 33.Which number is the odd one out: 89, 61, 97, 10? (a) 89 (b) 61 (c) 97 (d) 10
  34. 34.Which number is the odd one out: 99, 79, 11, 71? (a) 99 (b) 79 (c) 11 (d) 71
  35. 35.Which number is the odd one out: 17, 57, 6, 29? (a) 17 (b) 57 (c) 6 (d) 29
  36. 36.Which number is the odd one out: 3, 81, 9, 2? (a) 3 (b) 81 (c) 9 (d) 2
  37. 37.Which number is the odd one out: 90, 39, 41, 11? (a) 90 (b) 39 (c) 41 (d) 11
  38. 38.Which number is the odd one out: 36, 79, 97, 23? (a) 36 (b) 79 (c) 97 (d) 23
  39. 39.Which number is the odd one out: 40, 96, 10, 24? (a) 40 (b) 96 (c) 10 (d) 24
  40. 40.Which number is the odd one out: 69, 97, 71, 79? (a) 69 (b) 97 (c) 71 (d) 79

Answer key

  1. 54
  2. 45
  3. 10
  4. 48
  5. 6
  6. 40
  7. 98
  8. 94
  9. 68
  10. 3
  11. 14
  12. 78
  13. 60
  14. 47
  15. 25
  16. 15
  17. 9
  18. 52
  19. 59
  20. 4
  21. 10
  22. 74
  23. 45
  24. 82
  25. 91
  26. 95
  27. 30
  28. 65
  29. 30
  30. 12
  31. 49
  32. 47
  33. 10
  34. 99
  35. 6
  36. 2
  37. 90
  38. 36
  39. 10
  40. 69

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