A have took a loan of some money, the rate of simple interest of which is `6%` per annum for the first one year, but the rate of simple interest increases at a rate of `0.5%` per annum for the next every year. If A have repaid a total of simple interest of Rs `3375` for `4` years, then find what amount of money A have took as a loan?

The amount of ₹ a in 20 years at the rate of simple interest of a % per annum is ………………

To repay a loan of Rs6450 at a rate of simple interest of 5% per annum in 4 years, find the amount of each instalment.

The interest of some of money for one month at the rate of simple interest 5% per annum is Rs1. Find the some of money.

A took a loan of Rs960 from B for 4 years at a rate of simple interest of 6% per annum. As per condition applied, in the first three years (1)/(4) th part of the principal must be repaid and at the end of 4th year, rest of the principal and all of its interest should be repaid. Then what amound of money A have to repay at the end of the 4th year?

If Rs 1000 is invested for two years at simple interest at the rate of 12.5% per annum, then what is the amount ?

Total interest of Rs 400 for 2 1/2 years at the rate of 6% simple interest per annum is

A certain principal amounts Rs2750 in 2 years at a rate of simple interest of 5% per annum. Then find the rate of simple interest in percent per annum for which the principal amounts Rs3000 in 2 years.

A sum of money at the simple interest amounts to ₹5852 in 3 years and ₹7788 in 7 years. What is the rate of interest per annum?