pyq/2017/csat/39

A freight train left Delhi for Mumbai at an average speed of 40 km/hr. Two hours later, an express train left Delhi for Mumbai, following the freight train on a parallel track at an average speed of 60 km/hr. How far from Delhi would the express train meet the freight train?

(A) 480 km

(B) 260 km

(C) 240 km

(D) 120 km