Six people, S, T, U, V, W, and X, are sitting in a straight row facing north. Only two people sit to the left of U. Only two people sit between U and X. T sits to the immediate right of S. W sits to the immediate left of V. V is not a neighbor of X. Who sits at the extreme left end of the row?

Only two people sit to the left of U.

Only two people sit between U and X.

T sits to the immediate right of S.

W sits to the immediate left of V.

V is not a neighbor of X.

From the given information, the arrangement will be:

So, W is sitting at the extreme left end of the row.

Thus, the correct option is (a).