Question

DIRECTION for the question: In the following question, a series is given with term/s missing. Choose the correct alternative to replace the question mark in the given series.
5, 6, 9, 15, ?, 40

• A. 21
• B. 25
• C. 27
• D. 33
• E. 48

Hint:

In number series problems: • First, always check the difference between consecutive terms. • If the differences don't form a constant sequence, check if the differences themselves form an arithmetic progression (double difference).

Answer 1

The Correct Option is B