Interest Questions

. On a sum of money, the simple interest for 2 years is Rs.660, while the compound interest is Rs.696.30, the rate of interest being the same in both the cases. The rate of interest is :

The compound interest on a sum of money for 2 years is Rs.832 and the simple interest on the same sum for the same period is Rs.800. The difference between the compound Interest and the simple interest for 3 years will be;

The simple interest on a certain sum for 8 months at 4% per annum is 129/­ less than the simple interest on the same sum for 15 months at 5% per annum. What is the sum ?

A certain sum of money amounts to Rs 756 in two years and Rs 873 in 3.5 years. Find the sum and rate of interest.

When the rate of interest in a bank is increased from 9% to 10% per annum; A person deposits Rs 500 more into his account. If the annual interest now Received by him is Rs 150more then before, find his original deposit. 

Atul took a credit at simple interest rate of 6% in the 1st year but with an increase of 0.5% in each subsequent year. He paid interest of INR 4375 after 5 years. How much credit did he take?

A sum of Rs. 91,000 is borrowed at 20% per annum compounded annually. If the amount is to be paid in two years, the amount will be? 

How much time will it take for an amount of Rs.450 to yield Rs.81 as interest at 4.5% per annum of simple interest?

Ankita borrows ` 7000 at simple Interest from a lender. At the end of 3 years, she again borrows ` 3000 and settled that amount after paying ` 4615 as interest after 8 years from the time she made the first borrowing. What is the rate of interest?

The difference between compound interest compounded every 6 months and simple interest after 2 years is 248.10. The rate of interest is 10 percent. Find the sum