Find out the income percent on $10 \%$ debentures of par value $Rs.\, 120$ available in the market for $Rs.\, 150$. (in $\%$)

$A$ company declared an annual dividend of $10 \%$. Find out the annual dividend of Ram owning $1500$ shares of the company of par value $Rs. 10$ each. (in $Rs.$)

Find out the annual dividend received by Sunil for his $200$ preferred shares and $1000$ common shares,both of par value $Rs. 100$ each,if the dividend declared on a preferred share is $10 \%$ per annum and an annual dividend of $12 \frac{1}{2} \%$ on the common shares. (in $Rs.$)

The capital of a company is made up of $50000$ preferred shares with a dividend of $20 \%$ and $20000$ common shares,the par value of each type of share being $Rs. 10$. The company had a total profit of $Rs. 180000$,out of which $Rs. 30000$ were kept in a reserve fund and the remaining was distributed to shareholders. Find the dividend percentage for the common shareholders (in $\%$).

$A$ company declared a semi-annual dividend of $7 \frac{1}{2} \%$. Find out the annual dividend of Chetan,who owns $1250$ shares of the company,each having a par value of $Rs. 10$. (in $Rs.$)

What investment will be required to purchase $Rs.\, 90000$ of $8 \%$ stock at $110$?