A man borrows ₹ 5,000 at 12% compound interest p.a., interest payable every six months. He pays back ₹ 1,800 at the end of every six months. The third payment he has to make at the end of 18 months in order to clear the entire loan will be:

1. ₹ 2,024.60

2. ₹ 2,204.60

3. ₹ 2,240.60

4. ₹ 2,402.60

The compound interest for the second year on ₹ 8,000 invested for 3 years at 10% p.a. is:

1. ₹ 780

2. ₹ 880

3. ₹ 890

4. ₹ 1,080

Nikita invests ₹ 6,000 for two years at a certain rate of interest compounded annually. At the end of the first year, it amounts to ₹ 6,720. The rate of interest p.a. is:

1. 8%

2. 10%

3. 12%

4. 14%

The compound interest on ₹ 8,640 for 3 years at 8% p.a. is:

1. ₹ 2,345

2. ₹ 3,245

3. ₹ 3,425

4. ₹ 3,452