Vivek invests ₹ 4,500 in 8%, ₹ 10 shares at ₹ 15. He sells the shares when the price rises to ₹ 30, and invests the proceeds in 12% ₹ 100 shares at ₹ 125. Calculate :

(i) the sale proceeds

(ii) the number of ₹ 125 shares he buys

(iii) the change in his annual income from dividend.

Mr. Parekh invested ₹52,000 on ₹ 100 shares at a discount of ₹ 20 paying 8% dividend. At the end of one year he sells the shares at a premium of ₹ 20. Find :

(i) the annual dividend.

(ii) the profit earned including his dividend.

Anaya invests a sum of money in ₹ 50 shares, paying 15% dividend quoted at 20% premium. If her annual dividend is ₹ 600, calculate :

(i) the number of shares she bought.

(ii) her total investment.

(iii) the rate of return on her investment.

₹100 shares of a company giving 10% dividend are selling at ₹150. Mr. Saha invests ₹ 18,000 to buy these shares. He sells 80% of his shares after one year. Find :

(a) the number of shares he purchased.

(b) the number of shares he sold.

(c) his annual income from the remaining 20% shares he still holds.