Raju invested a sum of Rs. 5832 at a rate of interest n% per annum, compounded annually. Find the value of n, if he received a sum of Rs. 13824 after 3 years.

A person borrowed a sum of Rs. 8000 at the rate of 10% per annum compounded semi-annually. Find the amount and compound interest for a period of one year.

At the rate of compound interest of 10% per annum, find the sum of money, the compound interest of which is Rs. 331 after 3 years.

Find the amount of Rs 2400 after 3 years, when the interest is compounded annually at the rate of 20% per annum.

Find the amount of Rs 2400 after 3 years, when the interest is compounded annually at the rate of 20% per annum.

Diljit received a sum of Rs 40000 as a loan from a finance company. If the rate of interest is 7% per annum compounded annually, calculate the compound interest that Diljit pays after 2 years.

Diljit received a sum of Rs 40000 as a loan from a finance company. If the rate of interest is 7% per annum compounded annually, calculate the compound interest that Diljit pays after 2 years.

A certain sum amounts to Rs.280900 in 2 years at 6% per annum, interest compounded annually. The sum is :