Suppose a person deposits 10,000 Indian rupees in a bank account at the rate of `5%` per annum compounded continuously. How much money will be in his bank account 18 months later?

A person deposits Rs. X in savings bank account at the rate of 5% per annum and Rs. Y in fixed deposit at 10% per annum. At the end of one year, he gets Rs. 400 as total interest. If he deposits Rs. Y in savings bank account and Rs. X in fixed deposit, he would get Rs. 350 as total interest. Find the total amount he deposited.

A man deposited Rs 10000 in a bank at the rate of 5% simple interest annually. Find the amount in 15^(th) year since he deposited the amount and also calculate the total amount after 20 years.

Rupees 10,000 is invested at 6% interest compounded annually. How long will it take to accumulate Rs. 20, 000 in the account?

In a bank, principal increases continuously at the rate of 5% per year.In how many years Rs 1000 double itself?

What will Rs. 500 amounts to in 10 years after its deposit in a bank which pays annual interest rate of 10% compounded annually?

In a bank, principal increases continuously at the rate of 5% per year. An amount of Rs 1000 is deposited with this bank, how much will it worth after 10 years (e^(0.5) = 1.648) .

Sumi wants to invest atmost Rs. 20,000 in VIII sereis National Savings Bonds and Kisan vikash Oathras. According to rules, she has to invest atleast Rs. 5000 in saving bonds and atmost Rs. 8000 in Kisan Pathra. If the rate of inerest on savings bond is 10% p.a and the rate of Kisan vikash Pathara is 15% p.a, how much money should she invest in each to ear maximum yearly income ? also find the maximum yearly income.