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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 529 · 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: 52, 24, 8, 48? (a) 52 (b) 24 (c) 8 (d) 48
  2. 2.Which number is the odd one out: 13, 77, 61, 41? (a) 13 (b) 77 (c) 61 (d) 41
  3. 3.Which number is the odd one out: 59, 47, 67, 58? (a) 59 (b) 47 (c) 67 (d) 58
  4. 4.Which number is the odd one out: 23, 19, 2, 96? (a) 23 (b) 19 (c) 2 (d) 96
  5. 5.Which number is the odd one out: 52, 71, 43, 73? (a) 52 (b) 71 (c) 43 (d) 73
  6. 6.Which number is the odd one out: 79, 31, 57, 29? (a) 79 (b) 31 (c) 57 (d) 29
  7. 7.Which number is the odd one out: 13, 19, 17, 6? (a) 13 (b) 19 (c) 17 (d) 6
  8. 8.Which number is the odd one out: 3, 97, 48, 89? (a) 3 (b) 97 (c) 48 (d) 89
  9. 9.Which number is the odd one out: 31, 2, 29, 78? (a) 31 (b) 2 (c) 29 (d) 78
  10. 10.Which number is the odd one out: 73, 42, 23, 43? (a) 73 (b) 42 (c) 23 (d) 43
  11. 11.Which number is the odd one out: 53, 79, 88, 17? (a) 53 (b) 79 (c) 88 (d) 17
  12. 12.Which number is the odd one out: 96, 40, 30, 23? (a) 96 (b) 40 (c) 30 (d) 23
  13. 13.Which number is the odd one out: 79, 5, 55, 17? (a) 79 (b) 5 (c) 55 (d) 17
  14. 14.Which number is the odd one out: 97, 95, 47, 37? (a) 97 (b) 95 (c) 47 (d) 37
  15. 15.Which number is the odd one out: 13, 43, 17, 48? (a) 13 (b) 43 (c) 17 (d) 48
  16. 16.Which number is the odd one out: 15, 75, 37, 65? (a) 15 (b) 75 (c) 37 (d) 65
  17. 17.Which number is the odd one out: 13, 52, 59, 29? (a) 13 (b) 52 (c) 59 (d) 29
  18. 18.Which number is the odd one out: 37, 79, 13, 10? (a) 37 (b) 79 (c) 13 (d) 10
  19. 19.Which number is the odd one out: 7, 89, 67, 84? (a) 7 (b) 89 (c) 67 (d) 84
  20. 20.Which number is the odd one out: 9, 81, 32, 64? (a) 9 (b) 81 (c) 32 (d) 64
  21. 21.Which number is the odd one out: 53, 32, 67, 2? (a) 53 (b) 32 (c) 67 (d) 2
  22. 22.Which number is the odd one out: 7, 48, 84, 96? (a) 7 (b) 48 (c) 84 (d) 96
  23. 23.Which number is the odd one out: 70, 45, 27, 63? (a) 70 (b) 45 (c) 27 (d) 63
  24. 24.Which number is the odd one out: 61, 86, 37, 89? (a) 61 (b) 86 (c) 37 (d) 89
  25. 25.Which number is the odd one out: 10, 50, 9, 15? (a) 10 (b) 50 (c) 9 (d) 15
  26. 26.Which number is the odd one out: 52, 44, 35, 14? (a) 52 (b) 44 (c) 35 (d) 14
  27. 27.Which number is the odd one out: 17, 67, 56, 73? (a) 17 (b) 67 (c) 56 (d) 73
  28. 28.Which number is the odd one out: 77, 24, 18, 72? (a) 77 (b) 24 (c) 18 (d) 72
  29. 29.Which number is the odd one out: 97, 13, 36, 2? (a) 97 (b) 13 (c) 36 (d) 2
  30. 30.Which number is the odd one out: 23, 47, 30, 97? (a) 23 (b) 47 (c) 30 (d) 97
  31. 31.Which number is the odd one out: 77, 13, 7, 71? (a) 77 (b) 13 (c) 7 (d) 71
  32. 32.Which number is the odd one out: 18, 79, 19, 11? (a) 18 (b) 79 (c) 19 (d) 11
  33. 33.Which number is the odd one out: 58, 5, 2, 62? (a) 58 (b) 5 (c) 2 (d) 62
  34. 34.Which number is the odd one out: 65, 29, 52, 5? (a) 65 (b) 29 (c) 52 (d) 5
  35. 35.Which number is the odd one out: 80, 96, 32, 30? (a) 80 (b) 96 (c) 32 (d) 30
  36. 36.Which number is the odd one out: 75, 50, 10, 57? (a) 75 (b) 50 (c) 10 (d) 57
  37. 37.Which number is the odd one out: 4, 64, 16, 60? (a) 4 (b) 64 (c) 16 (d) 60
  38. 38.Which number is the odd one out: 71, 23, 17, 76? (a) 71 (b) 23 (c) 17 (d) 76
  39. 39.Which number is the odd one out: 19, 13, 81, 89? (a) 19 (b) 13 (c) 81 (d) 89
  40. 40.Which number is the odd one out: 41, 19, 25, 83? (a) 41 (b) 19 (c) 25 (d) 83

Answer key

  1. 52
  2. 77
  3. 58
  4. 96
  5. 52
  6. 57
  7. 6
  8. 48
  9. 78
  10. 42
  11. 88
  12. 23
  13. 55
  14. 95
  15. 48
  16. 37
  17. 52
  18. 10
  19. 84
  20. 32
  21. 32
  22. 7
  23. 70
  24. 86
  25. 9
  26. 35
  27. 56
  28. 77
  29. 36
  30. 30
  31. 77
  32. 18
  33. 5
  34. 52
  35. 30
  36. 57
  37. 60
  38. 76
  39. 81
  40. 25

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