One-fifth of a number is $62$. What will $73\%$ of that number be?

$60 \%$ of $264$ is the same as:

In a recent survey,$40 \%$ of houses contained two or more people. Of those houses containing only one person,$25 \%$ had only a male. What is the percentage of all houses that contain exactly one female and no males (in $\%$)?

Sixty-five percent of a number is $21$ less than four-fifth of that number. What is the number?

If the price of a book is first decreased by $25 \%$ and then increased by $20 \%,$ then the net change in the price will be

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