Riya invests a part of Rs 42000 in 9% stock at Rs 120 and the remainder in 15% stock at Rs 110. If her total dividend per annum is Rs 4500, how much does she invest in 15% stock at Rs 110?
Rs 22000
Investment in 15% stock is Rs. x, then, investment in 9% stock = Rs. (42000 - x) x*15/Rs 110 + (Rs 42000 - x)*9/ Rs120=Rs 4500 x = Rs 22000
What is the market value of a 7.5% stock, in which an income of Rs. 1500 is derived by investing Rs. 5000, brokerage being 3/4%?
What is the market value of a 8.5% stock, in which an income of Rs. 341 derived by investing Rs. 3900, brokerage being 3/4%?
