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(C) Let $C$ denote 'Composition',$P$ denote 'Plays',$Po$ denote 'Poetry',and $L$ denote 'Literature'.$1$. From the problem,the $2^{nd}$,$5^{th}$,and $

Vedclass · Accepted Answer

Composition

Vedclass · Answer

(C) Let $C$ denote 'Composition',$P$ denote 'Plays',$Po$ denote 'Poetry',and $L$ denote 'Literature'.$1$. From the problem,the $2^{nd}$,$5^{th}$,and $6^{th}$ books are 'Plays' $(P)$.$2$. 'Two books on Plays are between two books on Composition': This implies the sequence $C, P, P, C$ exists. Since $P$ is at $5$ and $6$,the $C$ books must be at $4$ and $7$.$3$. 'One book of Plays is between two books on Poetry': This implies the sequence $Po, P, Po$ exists. Since $P$ is at $2$,the $Po$ books must be at $1$ and $3$.$4$. 'The book at the top of the book of Literature is a book of Composition': Since $7$ is $C$,the book at $8$ must be $L$.The final arrangement is:PositionBook Type$1$$Poetry$$2$$Plays$$3$$Poetry$$4$$Composition$$5$$Plays$$6$$Plays$$7$$Composition$$8$$Literature$Clearly,the fourth book from the top is 'Composition'. Thus,the correct option is $(C)$.

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