Who among the following person sits third from the right end?

We have, N sits fifth to the right of J. Only two persons sit between N and M. From the above conditions, there are three possibilities Again we have, The number of persons sitting to the right of M is one less than the number of persons sitting to the left of K. Only one person sits between K and P. L sits third to the left of P. Here, Case-3 gets eliminated Again we have, Only three persons sit between I and O, who doesn’m sit at the end of the row. So Case-2 gets eliminated. Hence Case-1 shows the final arrangement Case-1