The ratio between two numbers is $3:4$ and their sum is $420$. The greater of the two numbers is

When $2^{23}$ is divided by $10$,the remainder will be

$A$ number $N$ is a positive three-digit number. If $x$ is in its hundred's place and $y$ is in its unit's place,then the number $N - 100x - y$ is always divisible by

$A$ number is of two digits. The position of digits is interchanged and the new number is added to the original number. The resultant number will always be divisible by

If $35 \%$ of a number is $182$,then what is $150 \%$ of that number?

If $m$ and $n$ are positive integers and $(m-n)$ is an even number,then $(m^{2}-n^{2})$ will be always divisible by