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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 589 · 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: 46, 89, 83, 41? (a) 46 (b) 89 (c) 83 (d) 41
  2. 2.Which number is the odd one out: 59, 83, 88, 97? (a) 59 (b) 83 (c) 88 (d) 97
  3. 3.Which number is the odd one out: 18, 96, 72, 86? (a) 18 (b) 96 (c) 72 (d) 86
  4. 4.Which number is the odd one out: 47, 43, 6, 79? (a) 47 (b) 43 (c) 6 (d) 79
  5. 5.Which number is the odd one out: 25, 65, 16, 20? (a) 25 (b) 65 (c) 16 (d) 20
  6. 6.Which number is the odd one out: 67, 69, 3, 73? (a) 67 (b) 69 (c) 3 (d) 73
  7. 7.Which number is the odd one out: 73, 53, 80, 83? (a) 73 (b) 53 (c) 80 (d) 83
  8. 8.Which number is the odd one out: 45, 18, 35, 54? (a) 45 (b) 18 (c) 35 (d) 54
  9. 9.Which number is the odd one out: 11, 14, 79, 97? (a) 11 (b) 14 (c) 79 (d) 97
  10. 10.Which number is the odd one out: 3, 13, 97, 93? (a) 3 (b) 13 (c) 97 (d) 93
  11. 11.Which number is the odd one out: 16, 32, 23, 64? (a) 16 (b) 32 (c) 23 (d) 64
  12. 12.Which number is the odd one out: 97, 17, 21, 47? (a) 97 (b) 17 (c) 21 (d) 47
  13. 13.Which number is the odd one out: 13, 59, 79, 58? (a) 13 (b) 59 (c) 79 (d) 58
  14. 14.Which number is the odd one out: 81, 99, 16, 64? (a) 81 (b) 99 (c) 16 (d) 64
  15. 15.Which number is the odd one out: 9, 81, 5, 25? (a) 9 (b) 81 (c) 5 (d) 25
  16. 16.Which number is the odd one out: 97, 37, 78, 17? (a) 97 (b) 37 (c) 78 (d) 17
  17. 17.Which number is the odd one out: 63, 80, 40, 22? (a) 63 (b) 80 (c) 40 (d) 22
  18. 18.Which number is the odd one out: 56, 11, 89, 37? (a) 56 (b) 11 (c) 89 (d) 37
  19. 19.Which number is the odd one out: 32, 48, 5, 96? (a) 32 (b) 48 (c) 5 (d) 96
  20. 20.Which number is the odd one out: 61, 97, 10, 2? (a) 61 (b) 97 (c) 10 (d) 2
  21. 21.Which number is the odd one out: 90, 59, 95, 23? (a) 90 (b) 59 (c) 95 (d) 23
  22. 22.Which number is the odd one out: 92, 37, 17, 41? (a) 92 (b) 37 (c) 17 (d) 41
  23. 23.Which number is the odd one out: 61, 3, 69, 38? (a) 61 (b) 3 (c) 69 (d) 38
  24. 24.Which number is the odd one out: 16, 32, 64, 85? (a) 16 (b) 32 (c) 64 (d) 85
  25. 25.Which number is the odd one out: 81, 9, 85, 27? (a) 81 (b) 9 (c) 85 (d) 27
  26. 26.Which number is the odd one out: 57, 73, 59, 12? (a) 57 (b) 73 (c) 59 (d) 12
  27. 27.Which number is the odd one out: 3, 87, 74, 23? (a) 3 (b) 87 (c) 74 (d) 23
  28. 28.Which number is the odd one out: 66, 89, 3, 2? (a) 66 (b) 89 (c) 3 (d) 2
  29. 29.Which number is the odd one out: 79, 47, 50, 73? (a) 79 (b) 47 (c) 50 (d) 73
  30. 30.Which number is the odd one out: 59, 53, 90, 71? (a) 59 (b) 53 (c) 90 (d) 71
  31. 31.Which number is the odd one out: 3, 97, 99, 41? (a) 3 (b) 97 (c) 99 (d) 41
  32. 32.Which number is the odd one out: 2, 60, 19, 11? (a) 2 (b) 60 (c) 19 (d) 11
  33. 33.Which number is the odd one out: 92, 44, 12, 6? (a) 92 (b) 44 (c) 12 (d) 6
  34. 34.Which number is the odd one out: 47, 41, 72, 39? (a) 47 (b) 41 (c) 72 (d) 39
  35. 35.Which number is the odd one out: 62, 22, 86, 45? (a) 62 (b) 22 (c) 86 (d) 45
  36. 36.Which number is the odd one out: 96, 13, 2, 97? (a) 96 (b) 13 (c) 2 (d) 97
  37. 37.Which number is the odd one out: 96, 13, 41, 73? (a) 96 (b) 13 (c) 41 (d) 73
  38. 38.Which number is the odd one out: 88, 19, 32, 8? (a) 88 (b) 19 (c) 32 (d) 8
  39. 39.Which number is the odd one out: 11, 17, 92, 13? (a) 11 (b) 17 (c) 92 (d) 13
  40. 40.Which number is the odd one out: 19, 13, 67, 70? (a) 19 (b) 13 (c) 67 (d) 70

Answer key

  1. 46
  2. 88
  3. 86
  4. 6
  5. 16
  6. 69
  7. 80
  8. 35
  9. 14
  10. 93
  11. 23
  12. 21
  13. 58
  14. 99
  15. 5
  16. 78
  17. 63
  18. 56
  19. 5
  20. 10
  21. 90
  22. 92
  23. 38
  24. 85
  25. 85
  26. 12
  27. 74
  28. 66
  29. 50
  30. 90
  31. 99
  32. 60
  33. 6
  34. 72
  35. 45
  36. 96
  37. 96
  38. 19
  39. 92
  40. 70

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