Ans: D
Since only $532$ is divisible by $7$. Then the required probability
$\begin{array}{cl}
= & \dfrac{1}{10}
\end{array}$
Resources for HKDSE Mathematics
Resources for HKDSE Mathematics
Since only $532$ is divisible by $7$. Then the required probability
$\begin{array}{cl}
= & \dfrac{1}{10}
\end{array}$
