Question

An expus train covere 20km of
distance in 20.5 minutes, another
train covers the same distane in
21. 5 minutes & What are the speed
differences of both the trains?​

Answer 1

Answer:

the speed of both is

42.0

Answer 2

Answer:

speed of 1st train is 20×60/20.5=1200/20.5=58.53km/h

speed of 2nd one is 20×60/21.5=55.81km/h

so difference will be 2.72 km/h