A man borrows ₹ 5000 at 12 percent compound interest payable every six months. He repays ₹ 1800 at the end of every six months. Calculate the third payment he has to make at the end of 18 months to clear the entire the loan.

On a certain sum of money, the difference between the compound interest for a year, payable half-yearly, and the simple interest for a year is ₹ 180. Find the sum lent out, if the rate of interest in both cases is 10% per annum.

A man borrows ₹ 10000 at 5% per annum compound interest. He repays 35% of the sum borrowed at the end of the first year and 42% of the sum borrowed at the end of the second year. How much must he pay at the end of the third year in order to clear the debt ?

₹ 300 and ₹ 360 are the compound interest for two consecutive years. The rate of interest is :

1. 1.2%

2. 12%

3. 120%

4. 20%