Seven people numbered 1, 2, 3, 4, 5, 6, and 7 are sitting in a straight line, facing North. Only two people sit to the left of 1. Only three people sit between 5 and 1. 4 sits at one of the extreme ends. 7 sits to the immediate right of 4. 3 sits in the exact middle of the row. 2 is not an immediate neighbor of 3. What is the position of 6 from the extreme right end?

Eight people are sitting in two parallel rows containing 4 people each in such a way that there is equal distance between adjacent persons. Row 1 – D, E, O, and P are seated and all of them are facing south. Row 2 – F, G, Q, and R are seated and all of them are facing north. Thus each person faces another person from the other row. E sits second to the left of P. F sits second to the right of G. Only two people sit between G and Q. O faces R. Who amongst the following sits to the immediate left of the person facing F?

Eight people are sitting in two parallel rows containing 4 people each, in such a way that there is equal distance between adjacent persons. Row 1 – P, R, E, and Y are seated and all of them are facing south. Row 2 – L, O, T, and S are seated and all of them are facing north. Thus each person faces another person from the other row. E sits third to the right of Y. The one facing S is an immediate neighbour of Y. The one facing R is an immediate neighbour of S. The one facing E is an immediate neighbour of T. O sits at some place to the left of L. Which of the following represents both people sitting at extreme ends of the line?