Six lovely girls are standing in a straight line such that

1. X and W are neighbors of Y.

2. V's only neighbor is U.

3. U is at the forth place of Z.

So who two are standing at the 2 corner of the line ?

V and Z

Solution: According to given information, sitting arrangement of six people is -

V U X Y W F or Z X Y W U V or V U W Y X Z or Z W Y X U V

So, in all the situations, Z and V are at corners of the row.