L, A, Y, E, R, S and T each have their exam on a different day of the same week starting from Monday and ending on Sunday. Only three persons have an exam between A and Y. Only three persons have an exam between T and S. L has his exam on a day before Y and on a day after E. Only R has his exam before S. How many persons have their exam after A?

Eight people J, K, L, M, N, O, P, Q are seated around a circular table facing the centre at equal distances in clockwise alphabetical order. If P is seated facing North, in which direction is L facing?

A, B, C, P, S, T and U are sitting in a straight line facing the north. Only three people are seated to the left of S. Only A is seated to the right of B. Only three people are seated between B and C. P is seated at some place to the left of T, but at some place to the right of U. How many people are seated between U and T?