$(2+\sqrt{5})^{2}=?+4 \sqrt{5}$

$42 \%$ of a number is $357$. What is $63 \%$ of that number?

$24$ is divided into two parts such that $7$ times the first part added to $5$ times the second part makes $146$. The first part is

The sum of $33 \%$ of a number and $14 \%$ of the same number is $3055$. What is $72 \%$ of that number?

In a two-digit number, if it is known that its unit's digit exceeds its ten's digit by $2$, and that the product of the given number and the sum of its digits is equal to $144$, then the number is

$A$ number,when divided by $729$,leaves a remainder of $56$. What will be the remainder if the same number is divided by $27$?