₹12,000 invested for 2 years at annual compound interest. At a rate 2% higher, interest would be ₹504 more. Original rate?

A sum at simple interest for 2 years would have fetched ₹300 more if rate were 3% higher. Find the sum.

The difference between simple interest and the compound interest compounded annually at the rate of 12% per annum on ₹ 5,000 for two years will be :

What is the compound interest on Rs. 2500 for 2 years at rate of interest 4% per annum?

A person invests half his capital at 10% simple interest and the other half at 10% compound interest annually for 2 years. Total interest is ₹4,100. Total capital is

There is 50% increase in an amount in 5 years at simple interest. What will be the compound interest of ₹ 12,000 after 3 years at the same rate?