A

Admin • 833K Points
Coach

Q. Complete the series:
563, 647, 479, 815, ?

  • (A) 672
  • (B) 386
  • (C) 279
  • (D) 143
  • Correct Answer - Option(D)
  • Views: 20
  • Filed under category Reasoning
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Explanation by: Admin

The pattern is + 84, - 168, + 336,.....i.e. + 84, - (84 x 2), + (84 x 2^2), .....
So, missing term = 815 - (84 x 2^3) = 815 - 672 = 143.

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