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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 346 · 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: 24, 96, 4, 49? (a) 24 (b) 96 (c) 4 (d) 49
  2. 2.Which number is the odd one out: 71, 83, 31, 14? (a) 71 (b) 83 (c) 31 (d) 14
  3. 3.Which number is the odd one out: 54, 90, 7, 30? (a) 54 (b) 90 (c) 7 (d) 30
  4. 4.Which number is the odd one out: 13, 23, 97, 78? (a) 13 (b) 23 (c) 97 (d) 78
  5. 5.Which number is the odd one out: 54, 23, 27, 18? (a) 54 (b) 23 (c) 27 (d) 18
  6. 6.Which number is the odd one out: 94, 82, 2, 73? (a) 94 (b) 82 (c) 2 (d) 73
  7. 7.Which number is the odd one out: 74, 68, 92, 76? (a) 74 (b) 68 (c) 92 (d) 76
  8. 8.Which number is the odd one out: 48, 24, 36, 96? (a) 48 (b) 24 (c) 36 (d) 96
  9. 9.Which number is the odd one out: 71, 97, 44, 41? (a) 71 (b) 97 (c) 44 (d) 41
  10. 10.Which number is the odd one out: 26, 41, 67, 89? (a) 26 (b) 41 (c) 67 (d) 89
  11. 11.Which number is the odd one out: 59, 22, 34, 46? (a) 59 (b) 22 (c) 34 (d) 46
  12. 12.Which number is the odd one out: 71, 59, 2, 90? (a) 71 (b) 59 (c) 2 (d) 90
  13. 13.Which number is the odd one out: 60, 2, 41, 37? (a) 60 (b) 2 (c) 41 (d) 37
  14. 14.Which number is the odd one out: 97, 41, 43, 48? (a) 97 (b) 41 (c) 43 (d) 48
  15. 15.Which number is the odd one out: 83, 19, 61, 8? (a) 83 (b) 19 (c) 61 (d) 8
  16. 16.Which number is the odd one out: 61, 86, 2, 41? (a) 61 (b) 86 (c) 2 (d) 41
  17. 17.Which number is the odd one out: 60, 24, 5, 8? (a) 60 (b) 24 (c) 5 (d) 8
  18. 18.Which number is the odd one out: 96, 20, 48, 32? (a) 96 (b) 20 (c) 48 (d) 32
  19. 19.Which number is the odd one out: 67, 31, 80, 29? (a) 67 (b) 31 (c) 80 (d) 29
  20. 20.Which number is the odd one out: 83, 67, 26, 59? (a) 83 (b) 67 (c) 26 (d) 59
  21. 21.Which number is the odd one out: 71, 86, 53, 2? (a) 71 (b) 86 (c) 53 (d) 2
  22. 22.Which number is the odd one out: 94, 76, 41, 68? (a) 94 (b) 76 (c) 41 (d) 68
  23. 23.Which number is the odd one out: 47, 31, 14, 53? (a) 47 (b) 31 (c) 14 (d) 53
  24. 24.Which number is the odd one out: 55, 95, 65, 99? (a) 55 (b) 95 (c) 65 (d) 99
  25. 25.Which number is the odd one out: 48, 43, 78, 96? (a) 48 (b) 43 (c) 78 (d) 96
  26. 26.Which number is the odd one out: 49, 97, 7, 17? (a) 49 (b) 97 (c) 7 (d) 17
  27. 27.Which number is the odd one out: 66, 82, 6, 29? (a) 66 (b) 82 (c) 6 (d) 29
  28. 28.Which number is the odd one out: 44, 59, 47, 2? (a) 44 (b) 59 (c) 47 (d) 2
  29. 29.Which number is the odd one out: 80, 50, 33, 40? (a) 80 (b) 50 (c) 33 (d) 40
  30. 30.Which number is the odd one out: 85, 27, 72, 24? (a) 85 (b) 27 (c) 72 (d) 24
  31. 31.Which number is the odd one out: 37, 52, 11, 47? (a) 37 (b) 52 (c) 11 (d) 47
  32. 32.Which number is the odd one out: 38, 67, 41, 19? (a) 38 (b) 67 (c) 41 (d) 19
  33. 33.Which number is the odd one out: 77, 5, 91, 7? (a) 77 (b) 5 (c) 91 (d) 7
  34. 34.Which number is the odd one out: 24, 48, 88, 83? (a) 24 (b) 48 (c) 88 (d) 83
  35. 35.Which number is the odd one out: 38, 13, 79, 73? (a) 38 (b) 13 (c) 79 (d) 73
  36. 36.Which number is the odd one out: 91, 70, 77, 90? (a) 91 (b) 70 (c) 77 (d) 90
  37. 37.Which number is the odd one out: 72, 2, 67, 31? (a) 72 (b) 2 (c) 67 (d) 31
  38. 38.Which number is the odd one out: 70, 23, 59, 97? (a) 70 (b) 23 (c) 59 (d) 97
  39. 39.Which number is the odd one out: 97, 2, 96, 37? (a) 97 (b) 2 (c) 96 (d) 37
  40. 40.Which number is the odd one out: 7, 98, 14, 89? (a) 7 (b) 98 (c) 14 (d) 89

Answer key

  1. 49
  2. 14
  3. 7
  4. 78
  5. 23
  6. 73
  7. 74
  8. 36
  9. 44
  10. 26
  11. 59
  12. 90
  13. 60
  14. 48
  15. 8
  16. 86
  17. 5
  18. 20
  19. 80
  20. 26
  21. 86
  22. 41
  23. 14
  24. 99
  25. 43
  26. 49
  27. 29
  28. 44
  29. 33
  30. 85
  31. 52
  32. 38
  33. 5
  34. 83
  35. 38
  36. 90
  37. 72
  38. 70
  39. 96
  40. 89

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