In $\Delta PQR$ , right angled at $Q, PQ = 3 \;cm$ and $PR= 6\;cm$ . Then the value of $\Delta P$ and $\Delta R$ is ________

Question

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