Find the difference between compound interest and simple interest on ₹ 8000 in 2 years and at 5% per annum.

On ₹ 6000, the difference between C.I. and S.I. in 2 years and at 10% compound interest, compounded per year, is :

1. ₹ 120

2. ₹ 600

3. ₹ 60

4. ₹ 180

The C.I. on ₹ 16000 in 2 years at the rate of 20% per annum is :

1. ₹ 19360

2. ₹ 7040

3. ₹ 23040

4. ₹ 22400

Simple interest, at the same rate for the same period as given above in part (c) is :

1. ₹ 7040

2. ₹ 6400

3. ₹ 3200

4. ₹ 1280