Puneet has a recurring deposit account in the Bank of Baroda and deposits ₹ 140 per month for 4 years. If he gets ₹ 8092 on maturity, find the rate of interest given by the bank.

Amit deposited ₹ 150 per month in a bank for 8 months under Recurring Deposit Scheme. What will be the maturity value of his deposits, if the rate of interest is 8% per annum and interest is calculated at end of every month ?

A recurring deposit account of ₹ 1200 per month has a maturity value of ₹ 12440. If the rate of interest is 8% and the interest is calculated at the end of every month; find the time (in months) of this Recurring Deposit Account.