Question

This is a graph question
answer the (d) part of this questions
Answer is 50km/hr but tell me the solution.​

Answer 1

Just look at the graph ,

on x axis from 1 p.m. to 3p.m. i.e. 2 hrs

distance on y axis is 250 km to 350 km

That is train traveled 100 km in 2hrs

so speed=distance/time=100/2=50km/hr