Question

The speed of two trains are in the ratio 4:5 .If the speed of first train is 48km/h ,what is the speed of other train

Answer 1

Let the speed of first train be 4x

If 4x=48

x=48/4

x=14

Then speed of other train is

3*x=3*14=42km/h

Answer 2

speed of second train 105km/h