Question
Five persons A, B, C, D and E are standing in a
row, in which 3 persons are facing north and remaining are facing south. The persons who are facing south does not stand on the extreme end. C is standing to the immediate right of B, who is standing second to the left of A. E stands at one of the extreme end. A is facing north and his immediate neighbours are facing south whereas A does not stand at the extreme end. Who is standing in the middle of the row?Solution
E stands at one of the extreme end. There will be two cases. E stands either at right or left end of the line. E _____ _____ _____ _____ ………… (I) _____ _____ _____ _____ E ………… (II) A is facing north and his immediate neighbours are facing south whereas A does not stand at the extreme end. C is standing to the immediate right of B, who is standing second to the left of A. We know that A is facing north and also does not stand at the extreme end. Case I will get discarded as The persons who are facing south does not stand on the extreme end. E(N) B(N) C(S) A (N) D(S) ………… (I) B(N) C(S) A(N) D(S) E(N) ………… (II) 
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