A invested some money in 10% stock at 96.If B wants to invest in an equally good 12% stock ,he must purchase a stock worth of :
Pick.
A) Rs. 80	B) Rs. 115.20	C) Rs. 120	D) Rs. 125.40	E) None of these
Solution   For an income of Rs. 10, investment = Rs. 96.   For an income of Rs. 12, investment = Rs.(96/12x12) = Rs. 115.20.   Answer Rs. 115.20
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A invested some money in 10% stock at 96.If B wants to invest in an equally good 12% stock ,he must purchase a stock worth of :