Ram borrows a sum of ₹24,000 from his friend Soham on 31 December 2021 on the condition that he will return it after one year with simple interest at 18% per annum. However, Ram returns the money on 1 August 2022. What total amount does Ram have to return to Soham?

A sum becomes 2215 of itself in 6 years at simple interest. Find the rate of interest per annum.

In how many years will a sum of ₹5,500 amount to ₹6,600 at a simple interest rate of 5% per annum?

A sum of money amounts to ₹16000 in 6 years at simple interest of 25 percent per annum. What will be the total interest for 6 years?