Find the quotient when the difference of 985 and 958 is divided by 9.

If $\overline{\mathrm{abc}}-\overline{\mathrm{acb}}$ is divided by 9, the quotient is $(\mathrm{b}-\mathrm{c})$.

$\therefore$ If $(985-958)$ is divided by 9, quotient $=(8-5)=3$