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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 513 · 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: 2, 71, 64, 17? (a) 2 (b) 71 (c) 64 (d) 17
  2. 2.Which number is the odd one out: 53, 71, 41, 6? (a) 53 (b) 71 (c) 41 (d) 6
  3. 3.Which number is the odd one out: 48, 15, 5, 13? (a) 48 (b) 15 (c) 5 (d) 13
  4. 4.Which number is the odd one out: 73, 4, 79, 19? (a) 73 (b) 4 (c) 79 (d) 19
  5. 5.Which number is the odd one out: 18, 45, 23, 90? (a) 18 (b) 45 (c) 23 (d) 90
  6. 6.Which number is the odd one out: 48, 24, 61, 96? (a) 48 (b) 24 (c) 61 (d) 96
  7. 7.Which number is the odd one out: 11, 53, 26, 83? (a) 11 (b) 53 (c) 26 (d) 83
  8. 8.Which number is the odd one out: 47, 57, 73, 11? (a) 47 (b) 57 (c) 73 (d) 11
  9. 9.Which number is the odd one out: 79, 43, 61, 66? (a) 79 (b) 43 (c) 61 (d) 66
  10. 10.Which number is the odd one out: 63, 67, 41, 71? (a) 63 (b) 67 (c) 41 (d) 71
  11. 11.Which number is the odd one out: 79, 19, 39, 96? (a) 79 (b) 19 (c) 39 (d) 96
  12. 12.Which number is the odd one out: 45, 47, 13, 29? (a) 45 (b) 47 (c) 13 (d) 29
  13. 13.Which number is the odd one out: 47, 74, 29, 89? (a) 47 (b) 74 (c) 29 (d) 89
  14. 14.Which number is the odd one out: 37, 94, 79, 67? (a) 37 (b) 94 (c) 79 (d) 67
  15. 15.Which number is the odd one out: 88, 8, 3, 92? (a) 88 (b) 8 (c) 3 (d) 92
  16. 16.Which number is the odd one out: 8, 61, 37, 17? (a) 8 (b) 61 (c) 37 (d) 17
  17. 17.Which number is the odd one out: 89, 67, 74, 13? (a) 89 (b) 67 (c) 74 (d) 13
  18. 18.Which number is the odd one out: 18, 3, 97, 41? (a) 18 (b) 3 (c) 97 (d) 41
  19. 19.Which number is the odd one out: 59, 73, 6, 13? (a) 59 (b) 73 (c) 6 (d) 13
  20. 20.Which number is the odd one out: 11, 28, 7, 71? (a) 11 (b) 28 (c) 7 (d) 71
  21. 21.Which number is the odd one out: 98, 14, 53, 7? (a) 98 (b) 14 (c) 53 (d) 7
  22. 22.Which number is the odd one out: 13, 47, 53, 22? (a) 13 (b) 47 (c) 53 (d) 22
  23. 23.Which number is the odd one out: 19, 55, 97, 11? (a) 19 (b) 55 (c) 97 (d) 11
  24. 24.Which number is the odd one out: 17, 41, 43, 9? (a) 17 (b) 41 (c) 43 (d) 9
  25. 25.Which number is the odd one out: 47, 79, 46, 83? (a) 47 (b) 79 (c) 46 (d) 83
  26. 26.Which number is the odd one out: 96, 32, 82, 24? (a) 96 (b) 32 (c) 82 (d) 24
  27. 27.Which number is the odd one out: 31, 97, 11, 95? (a) 31 (b) 97 (c) 11 (d) 95
  28. 28.Which number is the odd one out: 61, 43, 49, 29? (a) 61 (b) 43 (c) 49 (d) 29
  29. 29.Which number is the odd one out: 83, 94, 31, 67? (a) 83 (b) 94 (c) 31 (d) 67
  30. 30.Which number is the odd one out: 2, 31, 79, 74? (a) 2 (b) 31 (c) 79 (d) 74
  31. 31.Which number is the odd one out: 83, 99, 67, 89? (a) 83 (b) 99 (c) 67 (d) 89
  32. 32.Which number is the odd one out: 33, 87, 39, 56? (a) 33 (b) 87 (c) 39 (d) 56
  33. 33.Which number is the odd one out: 66, 84, 80, 42? (a) 66 (b) 84 (c) 80 (d) 42
  34. 34.Which number is the odd one out: 19, 96, 41, 23? (a) 19 (b) 96 (c) 41 (d) 23
  35. 35.Which number is the odd one out: 32, 25, 86, 88? (a) 32 (b) 25 (c) 86 (d) 88
  36. 36.Which number is the odd one out: 88, 80, 40, 83? (a) 88 (b) 80 (c) 40 (d) 83
  37. 37.Which number is the odd one out: 96, 8, 25, 12? (a) 96 (b) 8 (c) 25 (d) 12
  38. 38.Which number is the odd one out: 48, 50, 96, 88? (a) 48 (b) 50 (c) 96 (d) 88
  39. 39.Which number is the odd one out: 53, 71, 73, 28? (a) 53 (b) 71 (c) 73 (d) 28
  40. 40.Which number is the odd one out: 11, 31, 89, 54? (a) 11 (b) 31 (c) 89 (d) 54

Answer key

  1. 64
  2. 6
  3. 48
  4. 4
  5. 23
  6. 61
  7. 26
  8. 57
  9. 66
  10. 63
  11. 96
  12. 45
  13. 74
  14. 94
  15. 3
  16. 8
  17. 74
  18. 18
  19. 6
  20. 28
  21. 53
  22. 22
  23. 55
  24. 9
  25. 46
  26. 82
  27. 95
  28. 49
  29. 94
  30. 74
  31. 99
  32. 56
  33. 80
  34. 96
  35. 25
  36. 83
  37. 25
  38. 50
  39. 28
  40. 54

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