Roger wants to arrange three of his five books on his bookshelves. Two of the five books are duplicates and can not both

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by BTGmoderatorLU » Tue Mar 23, 2021 3:21 am

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Source: Princeton Review

Roger wants to arrange three of his five bookshelves. Two of the five books are duplicates and can not both be selected. In how many different ways can Roger arrange his books?

A. 12
B. 36
C. 42
D. 60
E. 128

The OA is C

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Source: Beat The GMAT — Problem Solving | Tue Mar 23, 2021 3:21 am

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