Nine persons P, Q, R, S, E, U, V, W, X are watching a movie in a theater sitting in a row facing North. X is at one end of the row. W is seated adjacent to both X and V. U is to the immediate right of V and at the third place to the left of E. S is immediate left of E. E is at the second place to the left of R. Q is immediate right of E. Who is at the end of the row?

R

X is at one end of the row. W is seated adjacent to both X and V.

CASE 1:

X   W   V    _    _    _    _   _   _  

CASE 2:

 _    _    _    _    _    _   V   W  X

U is to the immediate right of V and at the third place to the left of E.

CASE 1:

X  W  V  U   _    _    E   _   _  

CASE 2:

It is not possible as W is immediate right of V. So, case 1 is the only possibility.

S is immediate left of E. E is at the second place to the left of R.

X  W  V  U   _    S    E   _    R

Q is immediate right of E. So, the only position for P is to immediate left of S.

 X  W  V  U   P   S    E   Q   R

So, X and R are sitting at the extreme ends.