Q Physics, Chemistry and Mathematics books have to be stacked in such a way that all the books are stored subject wise and the number of books in each stack is the same. The number of physics books is 1008, chemistry books 720 and mathematics books 288. Determine the total number of stacks required for physics, chemistry and mathematics books.

A. 14
B. 15
C. 16
D. 12

Correct Answer: A

Explanation:
Max books per stack = GCD(1008,720,288)=144. Number of stacks = 1008/144 + 720/144 + 288/144 = 7+5+2 = 14.

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