Mr. Gulati has a Recurring Deposit Account of$₹300$ per month. If the rate of interest is $12\%$ and the maturity value of this account is $₹8,100 ;$ find the time (in years) of this Recurring Deposit Account.

Mr. Gupta opened a recurring deposit account in a bank. He deposited $₹2,500$ per month for two years. At the time of maturity he got$₹67,500 .$ Find

the total interest earned by Mr. Gupta

Mr. Gupta opened a recurring deposit account in a bank. He deposited $₹2,500$ per month for two years. At the time of maturity he got $₹ 67,500.$ Find:

the rate of interest per annum.

Mr. Richard has a recurring deposit account in a post office for $3$years at $7.5\%$ p.a. simple interest. If he gets $₹8,325$ as interest at the time of maturity, find:

the monthly instalment.

Mr. Richard has a recurring deposit account in a post office for $3$years at $7.5\%$ p.a. simple interest. If he gets $₹8,325$ as interest at the time of maturity, find:

the amount of maturity.