Five persons A, B, C, D and E are standing in a

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)