The tax on a commodity is diminished by $10 \%$ and its consumption increases by $10 \%$. Find the effect on revenue.

If $A$'s salary is $20\%$ higher than $B$'s,then how much percent is $B$'s salary less than $A$'s salary?

$A, B,$ and $C$ shared $Rs. 18500$ such that $A$ received $25\%$ more than $B$ and $B$ received $20\%$ more than $C$. What amount did $A$ receive?

Mr $X$ invested a certain amount in Debt and Equity Funds in the ratio of $4:5$. At the end of one year,he earned a total dividend of $30\%$ on his investment. After one year,he reinvested the amount including the dividend in the ratio of $6:7$ in Debt and Equity Funds. If the amount reinvested in Equity Funds was $Rs$ $94,500$,what was the original amount invested in Equity Funds (in $,000$)?

Half of $1$ per cent written as a decimal is

When a number is divided by $12$,the quotient is $\frac{1}{4}$ of another number. By what percentage is the first number greater than the second number?