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Odd One Out Numbers Worksheet

Logical reasoning lesson 3: Odd one out: numbers · Set 295 · 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, 78, 67, 17? (a) 13 (b) 78 (c) 67 (d) 17
  2. 2.Which number is the odd one out: 23, 89, 67, 24? (a) 23 (b) 89 (c) 67 (d) 24
  3. 3.Which number is the odd one out: 17, 73, 30, 97? (a) 17 (b) 73 (c) 30 (d) 97
  4. 4.Which number is the odd one out: 61, 2, 42, 73? (a) 61 (b) 2 (c) 42 (d) 73
  5. 5.Which number is the odd one out: 9, 53, 73, 83? (a) 9 (b) 53 (c) 73 (d) 83
  6. 6.Which number is the odd one out: 73, 13, 2, 74? (a) 73 (b) 13 (c) 2 (d) 74
  7. 7.Which number is the odd one out: 63, 61, 71, 43? (a) 63 (b) 61 (c) 71 (d) 43
  8. 8.Which number is the odd one out: 48, 9, 81, 99? (a) 48 (b) 9 (c) 81 (d) 99
  9. 9.Which number is the odd one out: 2, 86, 82, 37? (a) 2 (b) 86 (c) 82 (d) 37
  10. 10.Which number is the odd one out: 17, 79, 33, 83? (a) 17 (b) 79 (c) 33 (d) 83
  11. 11.Which number is the odd one out: 96, 57, 24, 48? (a) 96 (b) 57 (c) 24 (d) 48
  12. 12.Which number is the odd one out: 18, 53, 48, 72? (a) 18 (b) 53 (c) 48 (d) 72
  13. 13.Which number is the odd one out: 71, 83, 43, 22? (a) 71 (b) 83 (c) 43 (d) 22
  14. 14.Which number is the odd one out: 67, 11, 37, 34? (a) 67 (b) 11 (c) 37 (d) 34
  15. 15.Which number is the odd one out: 99, 9, 81, 31? (a) 99 (b) 9 (c) 81 (d) 31
  16. 16.Which number is the odd one out: 65, 55, 5, 13? (a) 65 (b) 55 (c) 5 (d) 13
  17. 17.Which number is the odd one out: 74, 73, 88, 8? (a) 74 (b) 73 (c) 88 (d) 8
  18. 18.Which number is the odd one out: 13, 67, 56, 77? (a) 13 (b) 67 (c) 56 (d) 77
  19. 19.Which number is the odd one out: 45, 83, 79, 17? (a) 45 (b) 83 (c) 79 (d) 17
  20. 20.Which number is the odd one out: 72, 17, 18, 88? (a) 72 (b) 17 (c) 18 (d) 88
  21. 21.Which number is the odd one out: 30, 96, 40, 50? (a) 30 (b) 96 (c) 40 (d) 50
  22. 22.Which number is the odd one out: 24, 96, 87, 97? (a) 24 (b) 96 (c) 87 (d) 97
  23. 23.Which number is the odd one out: 40, 31, 37, 73? (a) 40 (b) 31 (c) 37 (d) 73
  24. 24.Which number is the odd one out: 19, 49, 31, 53? (a) 19 (b) 49 (c) 31 (d) 53
  25. 25.Which number is the odd one out: 53, 19, 2, 80? (a) 53 (b) 19 (c) 2 (d) 80
  26. 26.Which number is the odd one out: 70, 47, 37, 43? (a) 70 (b) 47 (c) 37 (d) 43
  27. 27.Which number is the odd one out: 98, 22, 82, 63? (a) 98 (b) 22 (c) 82 (d) 63
  28. 28.Which number is the odd one out: 9, 27, 81, 56? (a) 9 (b) 27 (c) 81 (d) 56
  29. 29.Which number is the odd one out: 72, 71, 18, 48? (a) 72 (b) 71 (c) 18 (d) 48
  30. 30.Which number is the odd one out: 67, 48, 59, 79? (a) 67 (b) 48 (c) 59 (d) 79
  31. 31.Which number is the odd one out: 37, 83, 61, 80? (a) 37 (b) 83 (c) 61 (d) 80
  32. 32.Which number is the odd one out: 76, 91, 92, 58? (a) 76 (b) 91 (c) 92 (d) 58
  33. 33.Which number is the odd one out: 61, 97, 57, 43? (a) 61 (b) 97 (c) 57 (d) 43
  34. 34.Which number is the odd one out: 37, 86, 11, 13? (a) 37 (b) 86 (c) 11 (d) 13
  35. 35.Which number is the odd one out: 31, 37, 19, 18? (a) 31 (b) 37 (c) 19 (d) 18
  36. 36.Which number is the odd one out: 83, 67, 31, 88? (a) 83 (b) 67 (c) 31 (d) 88
  37. 37.Which number is the odd one out: 43, 53, 13, 65? (a) 43 (b) 53 (c) 13 (d) 65
  38. 38.Which number is the odd one out: 3, 61, 30, 29? (a) 3 (b) 61 (c) 30 (d) 29
  39. 39.Which number is the odd one out: 14, 19, 37, 31? (a) 14 (b) 19 (c) 37 (d) 31
  40. 40.Which number is the odd one out: 67, 26, 53, 89? (a) 67 (b) 26 (c) 53 (d) 89

Answer key

  1. 78
  2. 24
  3. 30
  4. 42
  5. 9
  6. 74
  7. 63
  8. 48
  9. 37
  10. 33
  11. 57
  12. 53
  13. 22
  14. 34
  15. 31
  16. 13
  17. 73
  18. 56
  19. 45
  20. 17
  21. 96
  22. 97
  23. 40
  24. 49
  25. 80
  26. 70
  27. 63
  28. 56
  29. 71
  30. 48
  31. 80
  32. 91
  33. 57
  34. 86
  35. 18
  36. 88
  37. 65
  38. 30
  39. 14
  40. 26

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