Find the compound interest on ₹ 4000 accrued in three years, when the rate of interest is 8% for the first year and 10% per year for the second and the third years.

The difference between C.I. and S.I. in one year on ₹ 5000 at the rate of 10% per annum is :

1. ₹ 00

2. ₹ 500

3. ₹ 5500

4. ₹ 5250

₹ 1000 is borrowed at 10% per annum C.I. If ₹ 300 is repaid at the end of each year, the amount of loan outstanding at the end of 2nd year is :

1. ₹ 880

2. ₹ 610

3. ₹ 580

4. ₹ 484

The difference between C.I. and S.I. in 2 years on ₹ 4000 at 10% per annum is :

1. ₹ 840

2. ₹ 800

3. ₹ 400

4. ₹ 40