Hello I am havig a problem that i do not understand. It is your collection consi

Question

Hello I am havig a problem that i do not understand. It is your collection consists of 7 magazines, 5 novels,and 1 textbook. Calculate the number of ways to arange them on abookshelf for the following situation The magazines must be together and the rest of the books orderdoes not matter. Hello I am havig a problem that i do not understand. It is your collection consists of 7 magazines, 5 novels,and 1 textbook. Calculate the number of ways to arange them on abookshelf for the following situation The magazines must be together and the rest of the books orderdoes not matter.

Explanation / Answer

ans:7C2*(7!) we take the magazines as 1 entity as they must remain togetherand 5 novels and 1 textbook so total no of entity=1+5+1=7 they can be arranged in 7C2 mags can be arranged in 7! ways total no of ways 7C2*7! ways mags can be arranged in 7! ways total no of ways 7C2*7! ways

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