Verbal Reasoning · Q28

Series Completion

Competitive Exams · Verbal Reasoning · question 28

Q28

563, 647, 479, 815, ?

A.

672

B.

386

C.

279

D.

143

Answer

Answer: Option D

Solution

Answer: Option D

Solution:

The pattern is + 84, - 168, + 336,.....i.e. + 84, - (84 x 2), + (84 x 2²), .....
So, missing term = 815 - (84 x 2³) = 815 - 672 = 143.

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