563, 647, 479, 815, ?
A. 672
B. 386
C. 279
D. 143
Answer: Option D
Solution(By Examveda Team)
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.
This Question Belongs to Competitive Reasoning >> Series Completion
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