₹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.

Deepak invested in ₹ 25 shares of a company paying 12% dividend. If he received 10% on his investment, at what price did he buy each share?

How much should a man invest in ₹ 25 shares selling at ₹ 36 to obtain annual income of ₹ 1,500, if dividend declared is 12% ?

How much should a man invest in ₹ 50 shares selling at ₹ 60 to obtain an income of ₹ 450, if the rate of dividend declared is 10% ? Also, find his yield percent, to the nearest whole number.