Question

In how many ways 4 mathematics books 3 physics books 2 chemistry books and 1 biology book can be arranged on a shelf so that all books of the same subject are together​

Answer 1

Answer:

(4 maths books and 1 biology book) together and (2 chemistry books and 3 physics books) together

Answer 2

There are 288 ways to do so.

Step-by-step explanation:

Since we have given that

Number of mathematics books = 4

Number of physics books = 3

Number of chemistry books = 2

Number of biology books = 1

We need to arrange on a shelf so that all books of the same subject are together.

So, the number of ways would be

$4!\times 3!\times 2!\times 1\\\\=288$

Hence, there are 288 ways to do so.

# learn more:

In how many ways 3 math books,4 history books, 3 chemistry books and 2 bio books can be arranged on a shelf . so that all the books on the same subject are togather.

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