Multiple choice

Directions: In the following number series, one of the numbers does not fit into the series. Find the wrong number. 6, 8, 14, 26, 45, 76

  1. 76

  2. 45

  3. 14

  4. 6
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B Correct answer
Explanation

The pattern is: 6 + 2 = 8; 8 + 6 = 14; 14 + 12 = 26; 26 + 20 = 46. The difference sequence is 2, 6, 12, 20. The second differences are 4, 6, 8. The next difference should be 20 + 10 = 30. 26 + 30 = 56. The term 45 is incorrect; it should be 46.

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