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

Amit donated $20\%$ of his income to a school and deposited $20\%$ of the remainder in his bank. If he has $₹ 12800$ now,what is the income (in $₹$) of Amit?

For a rectangle,the length and breadth are increased by $10 \%$ and $20 \%$,respectively. The percentage increase in area is:

$15 \%$ of $10 \%$ of $20 \%$ of $1000$ is?

What percent of a day is $3$ hours?

In an election,a candidate who gets $84 \%$ of the votes is elected by a majority of $476$ votes. What is the total number of votes polled?