Seven persons I, J, K, L, M, N and O are sitting around a circular table, but not necessarily in the same order.
Some persons are facing inside while some persons are facing outside the centre of a table.
J sits immediate to the left of M.
K sits second to the right of J.
Three persons sit between M and N, who sits second to the left of O.
Neither J nor M is neighbour of O.
Thus, case 1a and case 2 are invalid.
O sits fourth to the right of L.
The total number of persons facing inside is one less than the total number of persons facing outside the centre of a table.
Thus, three persons face inside while four persons face outside.
P face in the same direction as N and K. Thus, case 2a is invalid.
Therefore, the final arrangement is:
P, O, K and N are facing outside while L is facing inside the center of a table.
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