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Verbal Reasoning · Q9

Series Completion

Competitive Exams · Verbal Reasoning · question 9

Q9

5, 6, 9, 15, ?, 40

A.
21
B.
25
Answer
C.
27
D.
33

Answer: Option B

Solution

Answer: Option B
Solution:
The pattern is + 1, + 3, + 6,....., i.e. + 1, + (1, + 2), + (1 + 2 + 3),.....
So, missing term = 15 + (1 + 2 + 3 + 4) = 25.