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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 775 · 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: 32, 2, 71, 11? (a) 32 (b) 2 (c) 71 (d) 11
  2. 2.Which number is the odd one out: 43, 13, 92, 11? (a) 43 (b) 13 (c) 92 (d) 11
  3. 3.Which number is the odd one out: 25, 19, 5, 13? (a) 25 (b) 19 (c) 5 (d) 13
  4. 4.Which number is the odd one out: 13, 4, 29, 17? (a) 13 (b) 4 (c) 29 (d) 17
  5. 5.Which number is the odd one out: 16, 64, 17, 4? (a) 16 (b) 64 (c) 17 (d) 4
  6. 6.Which number is the odd one out: 4, 9, 81, 44? (a) 4 (b) 9 (c) 81 (d) 44
  7. 7.Which number is the odd one out: 29, 61, 67, 70? (a) 29 (b) 61 (c) 67 (d) 70
  8. 8.Which number is the odd one out: 89, 55, 29, 79? (a) 89 (b) 55 (c) 29 (d) 79
  9. 9.Which number is the odd one out: 16, 97, 37, 13? (a) 16 (b) 97 (c) 37 (d) 13
  10. 10.Which number is the odd one out: 15, 61, 73, 37? (a) 15 (b) 61 (c) 73 (d) 37
  11. 11.Which number is the odd one out: 13, 59, 34, 17? (a) 13 (b) 59 (c) 34 (d) 17
  12. 12.Which number is the odd one out: 2, 22, 19, 62? (a) 2 (b) 22 (c) 19 (d) 62
  13. 13.Which number is the odd one out: 17, 60, 40, 48? (a) 17 (b) 60 (c) 40 (d) 48
  14. 14.Which number is the odd one out: 10, 92, 11, 20? (a) 10 (b) 92 (c) 11 (d) 20
  15. 15.Which number is the odd one out: 59, 10, 53, 83? (a) 59 (b) 10 (c) 53 (d) 83
  16. 16.Which number is the odd one out: 68, 62, 99, 44? (a) 68 (b) 62 (c) 99 (d) 44
  17. 17.Which number is the odd one out: 42, 17, 11, 41? (a) 42 (b) 17 (c) 11 (d) 41
  18. 18.Which number is the odd one out: 13, 29, 66, 3? (a) 13 (b) 29 (c) 66 (d) 3
  19. 19.Which number is the odd one out: 23, 19, 43, 80? (a) 23 (b) 19 (c) 43 (d) 80
  20. 20.Which number is the odd one out: 19, 10, 11, 61? (a) 19 (b) 10 (c) 11 (d) 61
  21. 21.Which number is the odd one out: 41, 66, 19, 37? (a) 41 (b) 66 (c) 19 (d) 37
  22. 22.Which number is the odd one out: 57, 13, 29, 17? (a) 57 (b) 13 (c) 29 (d) 17
  23. 23.Which number is the odd one out: 31, 25, 11, 97? (a) 31 (b) 25 (c) 11 (d) 97
  24. 24.Which number is the odd one out: 83, 84, 79, 97? (a) 83 (b) 84 (c) 79 (d) 97
  25. 25.Which number is the odd one out: 23, 79, 63, 53? (a) 23 (b) 79 (c) 63 (d) 53
  26. 26.Which number is the odd one out: 18, 57, 99, 54? (a) 18 (b) 57 (c) 99 (d) 54
  27. 27.Which number is the odd one out: 31, 37, 89, 20? (a) 31 (b) 37 (c) 89 (d) 20
  28. 28.Which number is the odd one out: 41, 97, 59, 77? (a) 41 (b) 97 (c) 59 (d) 77
  29. 29.Which number is the odd one out: 82, 37, 41, 43? (a) 82 (b) 37 (c) 41 (d) 43
  30. 30.Which number is the odd one out: 77, 39, 91, 21? (a) 77 (b) 39 (c) 91 (d) 21
  31. 31.Which number is the odd one out: 24, 73, 83, 89? (a) 24 (b) 73 (c) 83 (d) 89
  32. 32.Which number is the odd one out: 14, 15, 70, 21? (a) 14 (b) 15 (c) 70 (d) 21
  33. 33.Which number is the odd one out: 41, 37, 69, 89? (a) 41 (b) 37 (c) 69 (d) 89
  34. 34.Which number is the odd one out: 41, 37, 85, 70? (a) 41 (b) 37 (c) 85 (d) 70
  35. 35.Which number is the odd one out: 37, 71, 97, 45? (a) 37 (b) 71 (c) 97 (d) 45
  36. 36.Which number is the odd one out: 89, 31, 21, 83? (a) 89 (b) 31 (c) 21 (d) 83
  37. 37.Which number is the odd one out: 76, 79, 83, 29? (a) 76 (b) 79 (c) 83 (d) 29
  38. 38.Which number is the odd one out: 96, 46, 48, 76? (a) 96 (b) 46 (c) 48 (d) 76
  39. 39.Which number is the odd one out: 29, 19, 83, 10? (a) 29 (b) 19 (c) 83 (d) 10
  40. 40.Which number is the odd one out: 98, 17, 13, 37? (a) 98 (b) 17 (c) 13 (d) 37

Answer key

  1. 32
  2. 92
  3. 25
  4. 4
  5. 17
  6. 44
  7. 70
  8. 55
  9. 16
  10. 15
  11. 34
  12. 19
  13. 17
  14. 11
  15. 10
  16. 99
  17. 42
  18. 66
  19. 80
  20. 10
  21. 66
  22. 57
  23. 25
  24. 84
  25. 63
  26. 57
  27. 20
  28. 77
  29. 82
  30. 39
  31. 24
  32. 15
  33. 69
  34. 70
  35. 45
  36. 21
  37. 76
  38. 46
  39. 10
  40. 98

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