Mr. Richard has a recurring deposit account in a post office for 3 years at 7.5% p.a. simple interest. If he gets Rs 8,325 as interest at the time of maturity, find:(i) the monthly instalment.(ii) the amount of maturity.
Ahmed has a recurring deposit account in a bank. He deposits Rs. 2,500 per month for 2 years. If he gets Rs. 66,250 at the time of maturity, find the interest paid by the bank & rate of interest.