please answer me quickly

74. In cubic crystal system, which of the following variation is not possible?
(1) End-centered
(2) Face-centered
(3) Body-centered
(4) Primitive

Dear student, 
Cubic crystal system has three types of packing, i.e., 
Primitive, body-centered and face-centered. It doesn't have end centered lattice. 
Therefore, correct option is '1'
Regards. 
 

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Answer - ( 1 ) End - centered 
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