A train of length 150 metres takes 5 seconds to cross a tunnel of length 300 metres. What is the speed of the train in km/hr?

A train of length 150 metres takes 5 seconds to cross a tunnel of length 300 metres. What is the speed of the train in km/hr?

A 13.33

B 26.67

C 40

D 66.67

Solution

Correct Answer: Option C

Speed = Distance/Time

= (150 + 300)/40.5 m/sec= 450/40.5 X (3600/1000)km/hr = 40