The scalar product of two vector $\overrightarrow{A}$ and $\overrightarrow{B}$ is $5 \sqrt 3$ and the magnitude of their vector product is 5. The angle between the vectors $\overrightarrow{A}$ and $\overrightarrow{B}$ is

Question

$\begin{array}{1 1}(A)\;30^{\circ} \\(B)\;45^{\circ} \\(C)\;60^{\circ} \\(D)\;90^{\circ} \end{array}$