114.

(854 x 854 x 854 - 276 x 276 x 276)/(854 x 854 + 854 x 276 + 276 x 276) = ?

A. 1130 B. 578
C. 565 D. 1156

• let a=854 and b=276 then
  i.e. (a^3-b^3)/a^2+ab+b^2)=(a-b)(a^2+ab+b^2)/(a^2+ab+b^2)
  after putting the values
  we get a-b=854-276=578
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