accenture - in mumbai mumbai express travelled a distance of 400 km such that p km by 20kmhr and remaining by 60kmhr and takes a total of 8 hours then the distance travelled at 60kmhr is - skillgun

The Mumbai Express travelled a distance is 400 km.It travelled P km by 20 km/hr then the time is P/20 hours and the remaining distance 400-P km is travelled at 60 km/hr then the time is 400-d/60.then total time taken is 8 hours i.e P/20 + 400-P/60=8 =>3P+400-P/60 =8 =>2P+400 = 480 => 2P=80 P=40 then 400-P=400-40=360.So distance travelled 60 km/hr is 360km