If 9800 are invested partly in 9% stock at 75 and 10% stock at 80 to have equal amount of incomes. The investment in 9% stock is:
Rs 5000
Let the investment in 9% stock be x. Then, investment in 10% stock = (9800 - x) 9*x/75 =10*x (9800 - x)/80 x = 5000.
Mahesh invests some money partly in 3% stock at 96 and partly in 4% stock at 120. To get equal dividends from both, what should be the ratio of his investment in both the stocks.
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?
