A train is scheduled to cover the distance between two stations 46 km…

Question

A train is scheduled to cover the distance between two stations 46 km apart in one hour. If it travels 25 km at a speed of 40 km/hr, find the speed for the remaining journey to complete it in the scheduled time :

Accepted Answer

Option C. 56 km/hr. Answer & Solution Answer: Option C Solution: Time taken to travel 25 km : & = ( 2540 ) hr & = 5/8 hr Remaining time : & = ( 1 - 5/8 ) hr & = 3/8 hr ∴ Required speed : & = ( 21 × 8/3 ) km/hr & = 56 km/hr