AFCAT II 24 Aug 2019 Paper

Gabbar kidnapped Basanti and placed him a tunnel whichhas a length of 500 m. He tied her from 200 m distance fromrarer side. Veeru heroically saved Basanti and at the sametime a train was approaching the tunnel. They ran at a speedof 10m/s to the nearer end and missed the collision veryclosely. Find the speed of the train (in km/hr).