The simple interest on a certain sum of money at 10% per annum is ₹ 6000 in 2 years. Find :

(i) the sum

(ii) the amount due at the end of 3 years and at the same rate of interest compounded annually.

(iii) the compound interest earned in 3 years.

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

₹ 10000 amounts to ₹ 12500 in one year. The rate of interest per year is :

1. 15%

2. 12.5%

3. 20%

4. 25%

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

1. ₹ 19360

2. ₹ 7040

3. ₹ 23040

4. ₹ 22400