In a crystalline solid, having formula $AB_2O_4$, oxide ions are arranged in cubic close packed lattice while cations A are present in tetrahedral voids and cations B are present in octahedral voids.(ii) What percentage of the octahedral voids is occupied by B?

Question

$\begin{array}{1 1}(A)\;50\%&(B)\;50.5\%\\(C)\;45\%&(D)\;60\%\end{array} $