How much money will be required to buy 400, ₹ 12.50 shares at a premium of ₹ 1?

How much money will be required to buy 250, ₹ 15 shares at a discount of ₹ 1.50 ?

A man invests ₹ 3,072 in a company paying 5% per annum, when its ₹ 10 share can be bought for ₹ 16 each. Find :

(i) his annual income

(ii) his percentage income on his investment.

A man invests ₹ 7,770 in a company paying 5 percent dividend when a share of nominal value of ₹ 100 sells at a premium of ₹ 5. Find :

(i) the number of shares bought;

(ii) annual income;

(iii) percentage income.