Seven people, L, M, N, O, W, X and Y, are sitting in a row, facing north (but not necessarily in the same order). Only five people sit between W and X. N sits to the immediate left of X. Only one person sits between N and L. M sits at some place to the left of O but at some place to the right of Y. Who sits third from the left end of the line?

Seven people: L, M, N, O, W, X, Y Facing north.
Only five people sit between W and X.
N sits to the immediate left of X.
Only one person sits between N and L.
M sits to the left of O but to the right of Y.

According to the given information, Seating arrangements will be:

M sits third from the left end of the line.

Thus, the correct option is (c) M.