The difference between a discount of $35 \%$ and two successive discounts of $20 \%$ and $20 \%$ on a certain bill was ₹ $22$. Find the amount of the bill.

In an examination,$A$ got $25\%$ marks more than $B$,$B$ got $10\%$ less than $C$,and $C$ got $25\%$ more than $D$. If $D$ got $320$ marks out of $500$,the marks obtained by $A$ were:

$45 \%$ of $750 - 25 \%$ of $480 = ?$

During one year,the population of a town was increased by $5 \%$ and during the next year,the population decreased by $5 \%$. If the total population is $9975$ at the end of the second year,then what was the population size in the beginning of the first year?

About $8 \%$ of the voters in an election did not cast their votes. In this election,there were only two candidates. The winner,by obtaining $48 \%$ of the total votes,defeated his contestant by $1100$ votes. The total number of voters in the election was:

The present population of a town is $26010$. It increases annually at the rate of $2\%$. What was the population of the town two years ago?