A merchant buys p apples for Rs. q and sells q apples for Rs. p.If `plt q`,then in the whole outlay,he makes

Options

A. `10((p^2+ q^2)/(q^2))%` gain
B. `100((q^2- p^2)/(q^2))%` loss
C. `100((p^2+ q^2)/(p^2))%` loss
D. `100((q^2- p^2)/(p^2))%` gain

Answer

B