Ram has x different physics books and Sandeep have y different mathematics books. Find the number of ways in which Ram and Sandeep can exchange their books in such a way that after exchanging they still have same number of books and same set.

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A
1

Total number of books = x + y

Now let us keep all books at one place. There is only one way when Ram picks those x books which were initially having.

Suggest Corrections

Similar questions

There are two friends Ram and Sandeep. Ram has x different physics books and Sandeep has y different mathematics books. Find the number of ways in which Ram and Sandeep can exchange their books in such a way that after exchanging they still have same number of books but not the same set.

Q. Find the number of ways in which a selection of