Algorithms Quiz | SP2 Contest 1 | Question 21

Find the missing term for the below series:

5, 20, 50,  150,  240, ___

(A) 270
(B) 340
(C) 410
(D) 480


Answer: (D)

Explanation: If we classify the series in groups of two like (5, 20),(50, 150), (240, ____). We can see that the terms in groups are in the ratio (1:4), (1:3), (1:2). Therefore, the last term is 240*2 = 480.

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