In a shelf, there are 10 English and 8 Telugu books. The number of ways in which 6 books can be chosen if a particular English book is excluded and a particular Telugu book is excluded, is
A
9C3⋅7C3
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B
16C6
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C
9C3⋅8C3
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D
18C8
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Solution
The correct option is B16C6 If a particular English book and a particular Telugu book is excluded, only 16 books are left.
We have to choose 6 out of them.
Required answer =16C6