₹ 16,000 is deposited in a bank for three years. The rates of compound interest for first and second year are 8% and 12% respectively. At the end of third year the amount becomes ₹ 21,384. The rate of interest for the third year will be:

1. 7%

2. 10%

3. 11%

4. 12%

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

A person took a loan of ₹ 6,000 from a bank and agreed to pay back the amount along with interest in 2 years. If the rate of compound interest for the first year is 10% and second year is 12%, the amount he had to pay after 2 years will be:

1. ₹ 7,329

2. ₹ 7,932

3. ₹ 7,292

4. ₹ 7,392

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%