Mr. Bajaj needs ₹ 30000 after 2 years. What least money (in multiple of ₹ 5) must be deposit every month in a recurring deposit account to get required money at the end of 2 years, the rate of interest being 8% p.a.?

Mr. Richard has a recurring deposit account in a post office for 3 years at 7.5% p.a. simple interest. If he gets ₹ 8325 as interest at the time of maturity, find :

(i) the monthly installment.

(ii) the amount of maturity.

Katrina opened a recurring deposit account with a Nationalised Bank for a period of 2 years. If the bank pays interest at rate of 6% per annum and the monthly instalment is ₹ 1000, find the :

(i) interest earned in 2 years

(ii) maturity value.