$37 \frac{1}{2} \%$ of $₹ 48$ is:

Depreciation applicable to an equipment is $20 \%$. The value of the equipment $3$ years from now will be less by: (in $\%$)

What percent of $4 \text{ km}$ is $8 \text{ meters}$?

The price of a commodity rises from $Rs. 6$ per $kg$ to $Rs. 7.50$ per $kg$. If the expenditure cannot increase,what is the percentage reduction in consumption (in $\%$)?

The production of a company has ups and downs every year. The production increases for two consecutive years consistently by $15 \%$ and in the third year it decreases by $10 \%$. Again in the next two years it increases by $15 \%$ each year and decreases by $10 \%$ in the third year. If we start counting from the year $1998$,approximately what will be the effect on the production of the company in $2002$?

The salary of a person was reduced by $10 \%$. By what percent should his reduced salary be raised so as to bring it at par with his original salary (in $\%$)?