Which of the following statements is not correct?

  • A
    Packing efficiency of $hcp$ and $ccp$ lattices are identical
  • B
    Packing efficiency of $fcc$ lattice $>$ Packing efficiency of $ccp$ lattice
  • C
    Packing efficiency of $fcc$ lattice $=$ Packing efficiency of $ccp$ lattice
  • D
    Packing efficiency of $hcp$ lattice $=$ Packing efficiency of $fcc$ lattice

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