Find the number of ways of selecting 4 E...

Find the number of ways of selecting 4 English, 3 Telugu and 2 Hindi books out of 7 English, 6 Telugu and 5 Hindi books.

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The correct Answer is:

`""^(7)C_(4) xx ""^(6)C_(3) xx ""^(5)C_(2)=35 xx20xx10=7000`.

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