Six students (L, M, N, O, P and Q) sit in a linear row

Solution

One person sits between L and N. Two persons sit to the right of N. _____   ____ N ____  L ____  ….. (I) L   ____ N ____   ____   ____   ……. (II) P sits third to the right of O. O doesn’t sit adjacent to M or Q. Case 2 will get discarded as we cannot place M and Q. P    M/Q    N    O     L   Q/M  ….. (I) L   ____ N ____   ____   ____   ……. (II) The final arrangement is as follows: P         Q/M     N         O         L          M/Q