A man bought $360,$ ten-rupee shares of a company, paying $12$percent per annum. He sold the shares when their price rose to $₹21$ per share and invested the proceeds in five-rupee shares paying $4 \cdot 5$ percent per annum at $₹3.50$ per share. Find the annual change in his income.

A man invests $₹20,020$ in buying shares of N.V. $₹26$ at $10\%$ premium. The dividend on the shares is $15\%$ per annum. Calculate the number of shares he buys.

A man invests $₹20,020$ in buying shares of N.V. $₹26$ at $10\%$ premium. The dividend on the shares is $15\%$ per annum. Calculate:

the dividend he receives annually.

A man invests $₹20,020$ in buying shares of N.V. $₹26$ at $10\%$ premium. The dividend on the shares is $15\%$ per annum. Calculate:

the rate of interest he gets on his money.

By investing $₹45,000$ in $10\%$ $₹100$ shares, Sharad gets $₹3,000$ as dividend. Find the market value of each share.

A man invests a certain sum in buying $15\%$ $₹100$ shares at $20\%$ premium. Find:

his income from one share.