How many years will it take for amount of Rs. 1000 to yield 200 as interest at 10% per annum of simple interest.?

A sum of Rs. 20000 amount gave Rs. 8000 as interest in 4 years. What is the rate of interest?

A sum of money becomes Rs.5500 in 2 years and Rs. 6500 in 6 years at simple interest. Find the rate of interest.?

A sum of money becomes four times in 20 years at simple interest. Find the rate of interest.

A sum of Rs. 5500 is lent out in two parts in such a way that the interest on one part at 10% for 5 years is equal to that on another part at 20% for 3 years. Find the two sums.

What would be the compound interest obtained on an amount of Rs. 4800 at the rate of 10 % per annum for 2 years?

Vishal invested an amount of Rs. 50000 in fixed deposit at 8% per annum compound interest for 2 years. What amount Vishal will get at the end of 2 years?

Anita borrowed 36,000 rupees for 6 months from a bank, which charge 8% interest compounded half yearly. How much should she pay back the end of 6 months?

Find the compound interest on Rs. 12500 at 8% per annum for 6 months compounded quarterly.