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Question:

DIRECTIONS: These questions are based on the following information.


In a row there are seven chairs positioned at equal distances. Each one of the seven persons P, Q, R, S, T, U and V sit in a different chair facing the same direction. It is also known that,


(i) R has equal number of persons on either side of him.

(ii) Neither Q nor T is at the extreme ends.

(iii) V is four places away to the right of S.

(iv) P is to the immediate right of R.
Who are at either ends of the row?
Options:
A) S and P 
B) U and V
C) S and V
D) U and S
E) Q and P
Solution:
Ans(b);
From first, R has to be in middle of the row _ _ _ R _ _ _ 

From second: Q and R are not at extreme ends 

From third: S _ _ _ V 

From fourth: R P 

Hence, Final Arrangement will be: U (Q/T) S R P (Q/T) V 

Note: there is no fix place of Q and T.  

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