Question

On a 60 Km track, a train travels first 30 km with a speed 30 Km/h. How the train travel the next 30 Km to 40 km/h for entire trip? (please mention full equation!!)

Answer 1

Answer:

Let the speed of the train for next 30 km be "x".

Since, t=sd

So, time taken by the train for first 30 km,

t1=30km/h30km=1h

Time taken by the train to travel next 30 km:

t2=xkm/h30km=(30/x)h

Time taken for the entire trip:

t=4km/h60km=1.5h

So, 1+x30=1.5

⇒x=60km/h