Question : If a nine-digit number 785$x$3678$y$ is divisible by 72, then the value of ($x$ + $y$) is:

Question : If the 9-digit number $72 x 8431y 4$ is divisible by 36, what is the value of $(\frac{x}{y}-\frac{y}{x})$ for the smallest possible value of $y$, given that $x$ and $y$ are natural numbers?

Question : If the number 8764x5 is divisible by 9, then find the least possible value of x where x is a two-digit number.

Question : If 86y5 is exactly divisible by 3, then the least value of y is:

Question : If a nine-digit number 785$x$3678y is divisible by 72, then the value of ($x$ – $y$) is: