A sum of Rs.2500 is lent out in two parts one at 12% and another one at 12.5%. If the total annual income is Rs.306, then what was the money lent at 12% and what at 12.5%?
The market value of a 7.5% stock, in which an income of Rs 143 is derived by investing s 1700, brokerage being 1/2% is
