A certain sum amounted to Rs. 900 at 5% in a time in which Rs. 750 amounted to Rs. 840 at 4%. If the rate of interest is simple, find the sum (approx).
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%?
How much amount would a person receive if he invests a sum of Rs. 12500 at the rate of 6.5% of simple interest for 12 years in a bank? Please note that the bank levies a charge of Rs. 175 on every fixed deposit.
