A train covers a distance in 5 hours at 45 km/h. What speed is required to cover the same distance in 3 hours...? Mcqs

A train covers a distance in 5 hours at 45 km/h. What speed is required to cover the same distance in 3 hours...?

(A) 60 km/h

(B) 70 km/h

(C) 75 km/h

(D) 90 km/h