Q. 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__________?
a. Rs. 80
b. Rs. 115.20
c. Rs. 120
d. Rs. 125.40
For an income of Rs. 10, investment = Rs. 96.
For an income of Rs. 12, investment = Rs ( 96/10 X 12 )
= Rs. 115.20
