If A borrowed Rs Pat x% and B borrowed Rs `Q(gtP)` at y% per annum at simple interest at the same time, then the amount of their debts will be equal after

Options

A. `100((Q-P)/(Px-Qy))` year
B. `100((Px-Qy)/(P-Q))` year
C. `100((Px-Qy)/(Q-P))` year
D. `100((P-Q)/(Px-Qy))` year