$A$ person buys $9 \frac{1}{2} \%$ stock of $Rs.\, 72000$ at $144$. Find his annual income (in $Rs.$).

Shyam purchased $12000$ shares of a company,of par value $Rs. 10$ each,paying an annual dividend of $15\%$ at such a price that she gets $10\%$ on her investment. Find the market value of a share (in $Rs.$).

Ram invested $Rs.\, 88008$ in $9 \frac{1}{2} \%$ stock at $112$ (Brokerage: $Rs.\, 2$). Find out the annual income of Ram from this investment (in $Rs.$).

$A$ and $B$ started a business by investing $Rs. 18,000$ and $Rs. 24,000$ respectively. At the end of the $4^{\text{th}}$ month from the start of the business,$C$ joins with $Rs. 15,000$. At the end of the $8^{\text{th}}$ month,$B$ quits,at which time $C$ invests $Rs. 3,000$ more. At the end of the $10^{\text{th}}$ month,$B$ rejoins with the same investment. If the profit at the end of the year is $Rs. 12,005$,what is $B$'s share of profit? (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 $\%$).

$Rs. 555$ was to be divided among $A, B$ and $C$ in the ratio of $\frac{1}{4}: \frac{1}{5}: \frac{1}{6}$. But by mistake,it was divided in the ratio of $4: 5: 6$. The amount in excess received by $C$ was (in $Rs.$)