If the compound interest on a certain sum for 2 years at 4% p.a. is Rs. 102, the simple interest at the same rate of interest for two years would be:

If the difference between 2 years compound interest and simple interest at the rate of 5 percent of an amount is Rs. 25, then that amount will be?

What is compound interest on a sum of Rs. 37,500 for $$ {1{1\over 3}}$$ years at a rate of 12 % per year. If the interest is compounded 8 monthly?

What is the compound interest on Rs. 48,000 for 2 years at 20% p.a., if interest is compounded annually?

The compound interest on Rs. 8,000 at 15% per annum for 2 years 4 months, compounded annually is:

What will be the compound interest (compounded annually) of 3 years at the rate of 12.5 percent on an amount of Rs. 5120?

What will be the difference between the compound interest and simple interest of 2 years at the rate of 5 percent annual interest at Rs. 4,000?

A sum of money doubles itself at compound interest in 15 years. In how many years it  will become eight times?