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84 maths books, 90 physics books and 120 chemistry boooks have to be stacked topicwise. How many books will be there in each stack so that each stack will have the same height too?

A12

B18

C6

D21

Answer:

A. 12

Read Explanation:

The number of books will be there in each stack so that each stack will have the same height tooHCF(84, 90, 120) = 12


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