What is total number of crystal systems associated with 14 Bravais lattices?

Which statement from following about nano-material is NOT correct?

Find the radius of metal atom in bcc unit cell having edge length $$450 \mathrm{~pm}$$.

Calculate the volume of unit cell if an element having molar mass $$180 \mathrm{~g} \mathrm{~mol}^{-1}$$ forms fcc unit cell. $$\left[\rho \cdot N_A=120 \times 10^{21} \mathrm{~g} \mathrm{~cm}^{-3} \mathrm{~mol}^{-1}\right]$$