Question

A goods train leaves a station at a certain time at a uniform speed after 6 hrs an express train leaves the same station in same direction at a uniform speed of 90 km/hr this train catches the goods train in 4 hrs the speed of goods train is

Answer 1

Solution
 Let the speed of the goods train be x kmph.
Distance covered by goods train in 10 hours
= Distance covered by the express train in 4 hours
. :. 10x = 4 x 90 or x = 36.
:. Speed of goods train = 36 kmph.

Answer 2

10x=4×90 or x=36
goods train speed =36km ph