A man drops a bow down side from the roof of a tower of height 400 m at the same time another ball is thrown upside withA man drops a ball downside from the roof of a tower of height 400 meters. At the same time another ball is thrown upside with a velocity 50 meter/sec. from the surface of the tower, then they will meet at which height from the surface of the tower A. 100 meters B. 320 meters C. 80 meters D. 240 meters