A train covers a distance between two stations A and B in 45 minutes.…

Question

A train covers a distance between two stations A and B in 45 minutes. If the speed of the train is reduced by 5 km/hr, then it covers the distance in 48 minutes. The distance between the stations A and B is :

Accepted Answer

Option B. 60 km. Answer & Solution Answer: Option B Solution: Let the distance between the stations A and B br x km Time taken = 45 min = 3/4 hrs ∴ Original speed : & = ( x × 4/3 ) km/hr & = 4x3 km/hr New speed : & = ( 4x3 - 5 ) km/hr & = ( 4x - 153 ) km/hr & x ( 4x - 153 ) = 4860 & 3x4x - 15 =…