Answers

2014-05-20T17:26:28+05:30
According to the given question we must always select two  particular books so we can select those two books in one way.
Now we are left with 8 books out of these eight books we can select any 2 books in 8C2 ways .
so the total no of ways of selecting books = 8C2*1=8C2 ways = 28 ways 
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2014-05-20T17:39:58+05:30
I m not sure but I think it is 28 
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