Eight persons K, L, M, N, O, P, Q and R are sitting in a straight row but not necessary in the same order. They are sitting with equidistance between each other and some of them are facing north while some of them are facing south. They all are in different ages (in years) viz., 18, 21, 25, 27, 32, 38, 43 and 49 but not necessary in the same order. Not more than two persons sitting together faces the same direction.
The one whose age is 21 years sits third to the right of K, who sits second from the either ends of the row. Two persons are sitting between Q and R, who is an immediate neighbour of K. The one whose age is an prime number sits to the immediate left of L, who does not face north direction. Both the immediate neighbours of L are faces the same direction. Only two persons are sitting between the one whose age is 38 and the one whose age is 49, who sits at one of the extreme ends of the row. As many persons sitting to the left of the person whose age is 43 is same as many persons sitting to the right of N. M and R faces opposite directions (If one person faces north, then the another one faces south and vice-versa). The one whose age is multiple of 5 sits second to the right of M. Three persons are sitting between O and the youngest person. L’s age is not in odd number.
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