A man standing at a point P is watching the top of a tower, which makes an angle of elevation of 30° with the man's eye. The man walks some distance towards the tower to watch its top and the angle of elevation becomes 60°. What is the distance between the base of the tower and the point P ?

A) 4 root of 3 units

B) 8 units

C) 12 units

D) Data inadequate

E) None of these


Option D