Question

2 hours after a freight train leaves delhi a passenger train leaves the same station travelling in the same direction at an average speed of 16 km/hr. after traveling 4 hrs the passenger train overtakes the freight train. the average speed of the freight train was?

Answer 1

distance covrd in 4 hrs by passngr trn=16*4=64km same distnc is covrd by fright trn in 4+2 hrs i.e 6 hrs so speed of frieght trn=64/6=10.66 km/hr Hope it helps