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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 230 · 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: 11, 22, 53, 97? (a) 11 (b) 22 (c) 53 (d) 97
  2. 2.Which number is the odd one out: 24, 95, 88, 48? (a) 24 (b) 95 (c) 88 (d) 48
  3. 3.Which number is the odd one out: 3, 41, 39, 61? (a) 3 (b) 41 (c) 39 (d) 61
  4. 4.Which number is the odd one out: 82, 37, 46, 74? (a) 82 (b) 37 (c) 46 (d) 74
  5. 5.Which number is the odd one out: 31, 14, 2, 89? (a) 31 (b) 14 (c) 2 (d) 89
  6. 6.Which number is the odd one out: 64, 88, 39, 16? (a) 64 (b) 88 (c) 39 (d) 16
  7. 7.Which number is the odd one out: 61, 13, 20, 37? (a) 61 (b) 13 (c) 20 (d) 37
  8. 8.Which number is the odd one out: 71, 83, 89, 30? (a) 71 (b) 83 (c) 89 (d) 30
  9. 9.Which number is the odd one out: 82, 37, 43, 89? (a) 82 (b) 37 (c) 43 (d) 89
  10. 10.Which number is the odd one out: 96, 36, 24, 48? (a) 96 (b) 36 (c) 24 (d) 48
  11. 11.Which number is the odd one out: 89, 18, 54, 99? (a) 89 (b) 18 (c) 54 (d) 99
  12. 12.Which number is the odd one out: 78, 23, 61, 17? (a) 78 (b) 23 (c) 61 (d) 17
  13. 13.Which number is the odd one out: 44, 88, 18, 72? (a) 44 (b) 88 (c) 18 (d) 72
  14. 14.Which number is the odd one out: 83, 9, 59, 79? (a) 83 (b) 9 (c) 59 (d) 79
  15. 15.Which number is the odd one out: 31, 16, 83, 47? (a) 31 (b) 16 (c) 83 (d) 47
  16. 16.Which number is the odd one out: 17, 41, 22, 13? (a) 17 (b) 41 (c) 22 (d) 13
  17. 17.Which number is the odd one out: 71, 10, 13, 37? (a) 71 (b) 10 (c) 13 (d) 37
  18. 18.Which number is the odd one out: 17, 2, 3, 54? (a) 17 (b) 2 (c) 3 (d) 54
  19. 19.Which number is the odd one out: 29, 53, 36, 19? (a) 29 (b) 53 (c) 36 (d) 19
  20. 20.Which number is the odd one out: 83, 19, 23, 96? (a) 83 (b) 19 (c) 23 (d) 96
  21. 21.Which number is the odd one out: 40, 71, 5, 29? (a) 40 (b) 71 (c) 5 (d) 29
  22. 22.Which number is the odd one out: 19, 17, 95, 79? (a) 19 (b) 17 (c) 95 (d) 79
  23. 23.Which number is the odd one out: 78, 76, 54, 18? (a) 78 (b) 76 (c) 54 (d) 18
  24. 24.Which number is the odd one out: 19, 37, 59, 30? (a) 19 (b) 37 (c) 59 (d) 30
  25. 25.Which number is the odd one out: 48, 11, 31, 73? (a) 48 (b) 11 (c) 31 (d) 73
  26. 26.Which number is the odd one out: 24, 17, 89, 29? (a) 24 (b) 17 (c) 89 (d) 29
  27. 27.Which number is the odd one out: 87, 39, 2, 3? (a) 87 (b) 39 (c) 2 (d) 3
  28. 28.Which number is the odd one out: 7, 89, 77, 83? (a) 7 (b) 89 (c) 77 (d) 83
  29. 29.Which number is the odd one out: 47, 31, 33, 29? (a) 47 (b) 31 (c) 33 (d) 29
  30. 30.Which number is the odd one out: 46, 10, 38, 5? (a) 46 (b) 10 (c) 38 (d) 5
  31. 31.Which number is the odd one out: 53, 11, 62, 2? (a) 53 (b) 11 (c) 62 (d) 2
  32. 32.Which number is the odd one out: 29, 72, 79, 37? (a) 29 (b) 72 (c) 79 (d) 37
  33. 33.Which number is the odd one out: 29, 89, 10, 73? (a) 29 (b) 89 (c) 10 (d) 73
  34. 34.Which number is the odd one out: 88, 54, 8, 44? (a) 88 (b) 54 (c) 8 (d) 44
  35. 35.Which number is the odd one out: 76, 53, 73, 71? (a) 76 (b) 53 (c) 73 (d) 71
  36. 36.Which number is the odd one out: 67, 2, 74, 83? (a) 67 (b) 2 (c) 74 (d) 83
  37. 37.Which number is the odd one out: 9, 47, 11, 71? (a) 9 (b) 47 (c) 11 (d) 71
  38. 38.Which number is the odd one out: 41, 30, 67, 31? (a) 41 (b) 30 (c) 67 (d) 31
  39. 39.Which number is the odd one out: 24, 83, 6, 48? (a) 24 (b) 83 (c) 6 (d) 48
  40. 40.Which number is the odd one out: 11, 67, 17, 94? (a) 11 (b) 67 (c) 17 (d) 94

Answer key

  1. 22
  2. 95
  3. 39
  4. 37
  5. 14
  6. 39
  7. 20
  8. 30
  9. 82
  10. 36
  11. 89
  12. 78
  13. 18
  14. 9
  15. 16
  16. 22
  17. 10
  18. 54
  19. 36
  20. 96
  21. 40
  22. 95
  23. 76
  24. 30
  25. 48
  26. 24
  27. 2
  28. 77
  29. 33
  30. 5
  31. 62
  32. 72
  33. 10
  34. 54
  35. 76
  36. 74
  37. 9
  38. 30
  39. 83
  40. 94

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