A man invests ₹ 9,600 at 10% per annum compound interest for 3 years. Calculate:

(i) the interest for the first year.

(ii) the amount at the end of the first year.

(iii) the interest for the second year.

(iv) the interest for the third year.

A person invests ₹ 5,000 for two years at a certain rate of interest compounded annually. At the end of one year, this sum amounts to ₹ 5,600. Calculate:

(i) the rate of interest per annum.

(ii) the amount at the end of the second year.

Calculate the difference between the compound interest and the simple interest on ₹ 8,000 in three years at 10% per annum.

Rohit borrowed ₹ 40,000 for 2 years at 10% per annum C.I. and Manish borrowed the same sum for the same time at 10.5% per annum simple interest. Which of these two gives less interest and by how much?