Question
Who among the following person likes Renault in the
circular arrangement? Read the given information carefully and answer the given questions. Eight friends Q, W, X, Y, Z, B, C and D are sitting in two circles in such a manner that each member of the inner circle sits exactly opposite to the member of the outer circle. Also they all are sitting in a straight line facing in both directions. The members sitting in the outer circle are Z, B, C and D and all of them are facing towards the centre while the members of the inner circle are Q, W, X and Y and they are facing away from the centre. Each of them likes different car i.e. Volvo, Toyota, Renault, BMW, Audi, Honda, Ford and Maruti, but not necessarily in the same order. Members sit in the outer circle likes same car in the row arrangement where as members sit in the inner circle likes different car in the row arrangement. The persons who like Audi and Volvo are in separate circles. The person sits immediate right of W in the circular arrangement does not sit at extreme ends in the row. The person, who sits second to the left of the person, who likes Honda in the circular arrangement, sits fifth to the left of Y in the row arrangement. B who does not like Renault, does not face Q in the circular arrangement. The person who likes Honda sits on the immediate left of D in the circular arrangement. The car liked by Q in the circular arrangement is liked by the person, who sits fourth to the left of W in the row arrangement. Y does not like Toyota in the row arrangement. The Person who sits second to the left of Y faces south direction in the row arrangement. C sits second to the left of D in the circular arrangement. The person who likes Ford faces the person who likes Volvo in the circular arrangement. The Person who sits opposite to X in the same circle faces opposite direction to that person, who likes Toyota in the row arrangement. Y sits fourth to the left of the person, who likes Ford in the row arrangement. Q, who likes BMW, faces the immediate neighbours of the person, who likes Renault in the circular arrangement. The person faces Q in the circular arrangement sits second to the right of C in the row arrangement. The Person who likes Toyota sits third to the left of the person, who likes Audi in the row arrangement. The persons who like Honda and Maruti are immediate neighbours in circular arrangement, and one of them faces W, who likes Toyota in the circular arrangement. Person sits at extreme ends faces opposite directions also Z and D face opposite directions in the row arrangement. W sits immediate right of the person, who likes Renault in the row arrangement. The persons who like Ford and BMW sit in the same circle but they are not immediate neighbours. The person who sits opposite to Y in the other circle in the circular arrangement sits at one of the extreme ends in the row arrangement. Y likes neither Toyota nor Audi and faces C, who likes neither Maruti nor Honda in circular arrangement.Solution
Explanation : First read all the conditions which are given in the question. Then start with circular arrangement from the given conditions. After that carry only that conditions which is related to circular arrangement and try to complete circular arrangement. After completing circular arrangement from the given conditions, you should try to start linear arrangement and follow given conditions. Then you will see there are more possibilities that can be drawn for the linear arrangement, but if you will follow conditions carefully then most possibilities will neglect one by one except one. That will be our final linear arrangement. At last you will see only one linear arrangement and one circular arrangement which will follow all the given conditions. 
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