If $35 \%$ of a number is $175,$ then what percent of $175$ is that number (in $\%$)?

Two numbers are respectively $60 \%$ and $20 \%$ more than a third number. The second number expressed as a percentage of the first is:

$125 \%$ of $320 + x \%$ of $125 = 440$. Find the value of $x$.

$A$ number is increased by $84$,it becomes $107 \%$ of itself. What is the number?

Two numbers are $10\%$ and $25\%$ lesser than a third number. By what percentage must the second number be increased to make it equal to the first number (in $\%$)?

If the length of a rectangle is increased by $20\%$ and its breadth is decreased by $10\%$,what will be the impact on its area?