If the amount received at the end of 2nd and 3rd year as Compound Interest on a certain Principal is Rs 24200, and Rs 26620 respectively, what is the rate (in %) of interest? 

2,40,000 is taken as loan for three years compounded annually at 12.5 % p.a. At the end of first year, the interest is revised to 12 % p.a. The total amount to be repaid at the end of third year is:

A certain amount of money earns ₹ 540 as simple interest in 3 years. If it earns compound interest of ₹ 376.20 at the same rate of interest in 2 years, find the principal (in Rupees). 

Vijay lent Rs.5000. At what rate percent per annum he lent the money?
Statement I: The difference between the simple interest and compound interest on same money is Rs.60.
Statement II: The simple interest obtained after 4 years is Rs.300.
Statement III: The difference between compound interest and simple interest on Rs.60,000 in 2 years is Rs.1350.

In 3 years ₹ 3000 amounts to ₹ 3993 at x % compound interest, compounded annually. The value of x is 

The compound interest earned in two years at 8 % per annum is 3993.6 . What is the sum invested?