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:

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

The ratio between compound interest and simple interest for a certain amount is 43 : 40 for 2 years, the find the rate of interest.

On what sum does the difference between the compound interest and the simple interest for 3 years at 10 % is Rs 31?

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). 

If the compound interest on a certain sum for two consecutive years is Rs.220 and Rs.242, then the rate of interest per annum is 

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

How much time will it take for an amount of Rs.360 to yield Rs.72 as interest at 5 % p.a of simple interest?