A sum of money, lent out at 10% C.I. compounded yearly becomes ₹ 6050 in 2 years. The sum lent is :

1. ₹ 7260

2. ₹ 4000

3. ₹ 5000

4. ₹ 7320.50

On a certain sum, the compound interest accrued in one year is ₹ 550. If the rate of interest is 10%, the sum is :

1. ₹ 5000

2. ₹ 6000

3. ₹ 4500

4. ₹ 5500

₹ 4000 amounts to ₹ 5017.60 in two months at compound interest compounded per month. The rate of interest per month is :

1. 12%

2. 15%

3. 10%

4. 20%

Find the amount and the compound interest on ₹ 12000 in 3 years at 5%; interest being compounded annually.