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.

Salman buys 50 shares of face value ₹ 100 available at ₹ 132.

(i) What is his investment?

(ii) If the dividend is 7.5%, what will be his annual income ?

(iii) If he wants to increase his annual income by ₹ 150, how many extra shares should he buy?

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

(i) the number of shares he bought.

(ii) his total investment.

(iii) the rate of return on his investment.