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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 474 · 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: 13, 44, 53, 11? (a) 13 (b) 44 (c) 53 (d) 11
  2. 2.Which number is the odd one out: 11, 89, 3, 15? (a) 11 (b) 89 (c) 3 (d) 15
  3. 3.Which number is the odd one out: 18, 67, 53, 13? (a) 18 (b) 67 (c) 53 (d) 13
  4. 4.Which number is the odd one out: 81, 52, 94, 44? (a) 81 (b) 52 (c) 94 (d) 44
  5. 5.Which number is the odd one out: 89, 23, 42, 67? (a) 89 (b) 23 (c) 42 (d) 67
  6. 6.Which number is the odd one out: 77, 23, 41, 47? (a) 77 (b) 23 (c) 41 (d) 47
  7. 7.Which number is the odd one out: 49, 80, 40, 16? (a) 49 (b) 80 (c) 40 (d) 16
  8. 8.Which number is the odd one out: 32, 24, 46, 48? (a) 32 (b) 24 (c) 46 (d) 48
  9. 9.Which number is the odd one out: 3, 11, 57, 53? (a) 3 (b) 11 (c) 57 (d) 53
  10. 10.Which number is the odd one out: 43, 74, 13, 83? (a) 43 (b) 74 (c) 13 (d) 83
  11. 11.Which number is the odd one out: 16, 60, 64, 40? (a) 16 (b) 60 (c) 64 (d) 40
  12. 12.Which number is the odd one out: 67, 11, 72, 89? (a) 67 (b) 11 (c) 72 (d) 89
  13. 13.Which number is the odd one out: 3, 43, 89, 90? (a) 3 (b) 43 (c) 89 (d) 90
  14. 14.Which number is the odd one out: 7, 66, 30, 50? (a) 7 (b) 66 (c) 30 (d) 50
  15. 15.Which number is the odd one out: 31, 19, 56, 97? (a) 31 (b) 19 (c) 56 (d) 97
  16. 16.Which number is the odd one out: 23, 97, 5, 85? (a) 23 (b) 97 (c) 5 (d) 85
  17. 17.Which number is the odd one out: 10, 55, 46, 65? (a) 10 (b) 55 (c) 46 (d) 65
  18. 18.Which number is the odd one out: 83, 39, 11, 89? (a) 83 (b) 39 (c) 11 (d) 89
  19. 19.Which number is the odd one out: 44, 2, 59, 67? (a) 44 (b) 2 (c) 59 (d) 67
  20. 20.Which number is the odd one out: 26, 17, 71, 89? (a) 26 (b) 17 (c) 71 (d) 89
  21. 21.Which number is the odd one out: 41, 37, 51, 31? (a) 41 (b) 37 (c) 51 (d) 31
  22. 22.Which number is the odd one out: 3, 60, 73, 95? (a) 3 (b) 60 (c) 73 (d) 95
  23. 23.Which number is the odd one out: 95, 85, 36, 25? (a) 95 (b) 85 (c) 36 (d) 25
  24. 24.Which number is the odd one out: 3, 17, 11, 18? (a) 3 (b) 17 (c) 11 (d) 18
  25. 25.Which number is the odd one out: 67, 20, 85, 29? (a) 67 (b) 20 (c) 85 (d) 29
  26. 26.Which number is the odd one out: 24, 43, 33, 23? (a) 24 (b) 43 (c) 33 (d) 23
  27. 27.Which number is the odd one out: 40, 80, 53, 8? (a) 40 (b) 80 (c) 53 (d) 8
  28. 28.Which number is the odd one out: 67, 78, 83, 23? (a) 67 (b) 78 (c) 83 (d) 23
  29. 29.Which number is the odd one out: 32, 23, 43, 59? (a) 32 (b) 23 (c) 43 (d) 59
  30. 30.Which number is the odd one out: 26, 41, 67, 31? (a) 26 (b) 41 (c) 67 (d) 31
  31. 31.Which number is the odd one out: 30, 19, 17, 23? (a) 30 (b) 19 (c) 17 (d) 23
  32. 32.Which number is the odd one out: 29, 13, 94, 23? (a) 29 (b) 13 (c) 94 (d) 23
  33. 33.Which number is the odd one out: 59, 78, 67, 2? (a) 59 (b) 78 (c) 67 (d) 2
  34. 34.Which number is the odd one out: 32, 74, 88, 92? (a) 32 (b) 74 (c) 88 (d) 92
  35. 35.Which number is the odd one out: 41, 71, 28, 11? (a) 41 (b) 71 (c) 28 (d) 11
  36. 36.Which number is the odd one out: 3, 48, 24, 6? (a) 3 (b) 48 (c) 24 (d) 6
  37. 37.Which number is the odd one out: 31, 53, 11, 48? (a) 31 (b) 53 (c) 11 (d) 48
  38. 38.Which number is the odd one out: 98, 17, 31, 29? (a) 98 (b) 17 (c) 31 (d) 29
  39. 39.Which number is the odd one out: 48, 88, 6, 66? (a) 48 (b) 88 (c) 6 (d) 66
  40. 40.Which number is the odd one out: 13, 44, 97, 11? (a) 13 (b) 44 (c) 97 (d) 11

Answer key

  1. 44
  2. 15
  3. 18
  4. 81
  5. 42
  6. 77
  7. 49
  8. 46
  9. 57
  10. 74
  11. 60
  12. 72
  13. 90
  14. 7
  15. 56
  16. 85
  17. 46
  18. 39
  19. 44
  20. 26
  21. 51
  22. 60
  23. 36
  24. 18
  25. 20
  26. 24
  27. 53
  28. 78
  29. 32
  30. 26
  31. 30
  32. 94
  33. 78
  34. 74
  35. 28
  36. 3
  37. 48
  38. 98
  39. 88
  40. 44

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