If the number $463x5$ is divisible by 3 , where $x$is a digit, what are the possible values of $x$ ?

Without actual division, find the remainder, when$1921\text{ is divided by }3$

Without actual division, find the remainder, when$110768\text{ is divided by }5$

Without actual division, find the remainder, when $88480\text{ is divided by }9$