The number of spheres contained $(i)$ in one body centred cubic unit cell and $(ii)$ in one face centred cubic unit cell,is

  • A
    In $(i)$ $2$ and in $(ii)$ $4$
  • B
    In $(i)$ $3$ and in $(ii)$ $2$
  • C
    In $(i)$ $4$ and in $(ii)$ $2$
  • D
    In $(i)$ $2$ and in $(ii)$ $3$

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