Question

a 180 m long train crosses another 270 m long train running in the opposite direction in 10.8 s. if the speed of the first train is 60 km/h, what is the speed of the second train in km/h?

Answer 1

if 180 m long train has speed of 60km/hr

then, 270m long train will have speed of

60*180/1*1/270 =180km/hr