1.

What must be added to both the terms of ` x : y` so that the resultant ratio is inverse of the given ratio ` (x ne y)` ?A. y-xB. x-yC. `-(x-y)`D. x+y

Answer» Correct Answer - C
Let `(x+k)/(y+k) = y/x rArr x^(2) + kx = y^(2) + ky`
` rArr k(x-y)= y^(2)-x^(2) rArr k = -(y+x)`.


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