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There are 10 different books in a shelf .Find the number of ways in which 3 books can be selected so that exactly two of them are consecutive

There are 10 different books in a shelf .Find the number of ways in which 3 books can be selected so that exactly two of them are consecutive

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1 Answers

Arun
25763 Points
3 years ago
Dear Himangi
 
Total number of ways = 10C3 – 8C3 – 8 = 56
 
hope it helps
 
Regards
Arun (askIITians forum expert)

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