Q9
5, 6, 9, 15, ?, 40
A.
21
B.
25
AnswerC.
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.