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This question belongs to Competitive Reasoning Series Completion

Series Completion

?

3, 15, ?, 63, 99, 143

A) 27 B) 35 C) 45 D) 56

Answer & Solution

Correct Answer: Option B

The terms of the given series are (2² - 1), (4² - 1),....., (8² - 1), (10² - 1), (12² - 1).
So, missing term = (6² - 1) - (36 - 1) = 35.

Question posted by Examveda

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