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.

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

In a bank, principal increases continuously at the rate of r% per year. Find the value of r if Rs 100 double itself in 10 years.

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

A man deposited ₹ 10,000 in a bank at the rate of 5% simple interest annually. Find the amount in 15th year since he deposited the amount and also calculate the total amount after 20 years.

A country has a food deficit of 10%. Its population grows continuously at the rate of 3% per year. Its annual food production every year is 4% more than that of the last year Assuming that the average food requirement per person remains constant, prove that the country will become self-sufficient in food after n years, where n is the smallest integer bigger than or equal to (log_e 10-log_e 9)/((log_e 1.04)-0.03)

The amount of money in the account every year, when Rs 10000 is deposited at compound interest at 8% per annum.

A scooter was bought at Rs 42,000. Its value depreciated at the rate of 8% per annum. Find its value after one year.

A machinerty worth Rs.10,500 depreciated by 5% .Find its value after one year.

Interest on deposits for a year. To get an interest of Rs 280 per year, how much money should be deposited?