In a cubic lattice each edge of the unit cell is 400pm.Atomic weight of the element is 60 and its density is $6.25g/c.c$.Avogadro number =$6.023\times 10^{23}$.What will be the crystal lattice.

Question

$\begin{array}{1 1}\text{Face-centred cubic}\\\text{Simple cubic}\\\text{Body centred cubic}\\\text{Face centred tetragonal}\end{array}$