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Section D (Assertion - Reason)
The following questions consist of two statements. Mark the answer as follows.
(a) If both statements are CORRECT, and Statement II is the CORRECT explanation of Statement I.
(b) If both statements are CORRECT, and Statement II is NOT the CORRECT explanation of Statement I.
(c) If Statement I is CORRECT, but Statement II is INCORRECT.
(d) If Statement I is INCORRECT, but Statement II is CORRECT.

Statement I: In an FCC unit cell, packing efficiency is more when all tetrahedral voids are occupied by the spheres of maximum possible size as compared with the packing efficiency when all octahedral voids are occupied in similar way.
Statement II: Tetrahedral voids are more in number than octahedral voids in FCC.
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