Question
Six students (L, M, N, O, P and Q) sit in a linear row
facing south but not necessarily in the same order. One person sits between L and N. Two persons sit to the right of N. P sits third to the right of O. O doesn’t sit adjacent to M or Q. Who sits second to the left of O?Solution
N sits third from extreme left end of row. One person sits between L and N.  P sits third to the right of O. 4. O doesn’t sit adjacent to M or Q. We get L sits either at extreme left or second from extreme right end of row. P sits at extreme left end of row. Either Q or M sits at extreme right end of row. The final arrangement is as follows: Either Q or M sits second to the left of O. P        Q/M    N        O        L         M/Q   Â
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