Question

Train A takes l hour more than train B to
travel a distance of 720 km. Due to engine
trouble speed of train B falls by a third, so it
takes 3 hours more than Train A to complete
the same journey? What is the speed of Train
A (in km/hr)?​

Answer 1

Let the speed of train A be A km/h

And the speed of train B be B km/h

A.T.Q.







After Solving (i) & (ii), we get



B = 90 km/h

And

A = 80 km/h.