Question

A train covers a distance in 50 minutes, if it runs at a speed of 48 km/hr on an average. Find the speed atwhich the train must run to reduce the time of journey to 40 minutes.​

Answer 1

Step-by-step explanation:

Solution:

Option(B) is correct

Time = 5060=56 hr

Speed = 48 mph

Distance  = S×T=48×56=40 km

Time = 4060 hr

New speed = 40×32=60 kmph

i hope it will help u.............