A sum of ₹ 400 amounts to ₹ 480 in 4 years. What will it amount to if the rate of interest is increased by 2 %? 

A certain amount of money earns Rs. 540 as simple interest in 3 years. If it earns a compound interest of Rs. 376.20 at the same rate of interest in 2 years, find the amount.

After 4 years, the difference between principal and simple interest is Rs. 228 at the rate of 6 percent simple interest, so what is the amount of principal?

A sum of ₹ 7, 930 is divided into 3 parts and given at loan at 5 % simple interest to A, B and C for 2, 3 and 4 years respectively. If the amounts of all three are equal after their respective periods of loan, then the A received a loan of 

Simple interest on an amount is Rs. 24 and true discount on the same is Rs. 20. The principal amount is

What is the difference between the interest of Ram and Shyam in the given picture if Ram's money is on simple interest and Shyam's money is on compound interest.

A person deposited ₹500 for 4 years and ₹ 600 for 3 years at the same rate of simple interest in a bank. Altogether he received ₹ 190 as interest. The rate of simple interest per annum was 

A sum of money becomes 3 times in 12 years. In how many years it will become 5 times at the same rate of simple interest?