11.    A train travelling at 60 km/h completes a journey in 8 h. How much faster would it have to travel to cover the same distance in 6 h?

Asked by rojesh.sahoo | 14th Feb, 2019, 10:00: AM

Expert Answer:

begin mathsize 11px style distance space covered space equals space speed space cross times space time equals 60 cross times 8 equals 480
Speed space required space to space cover space same space distance space in space 6 straight h equals fraction numerator distance over denominator new space time end fraction equals 480 over 6 equals 80 km divided by hr end style

Answered by Arun | 14th Feb, 2019, 10:09: AM