Question

A train which is 1 km long travelling at a speed of 60 km/hr, enters a tunnel 2 km of length. What time does the train take to come fully out of the tunnel?

• A. 4 min
• B. 3 min
• C. 5 min
• D. 3 hours

Answer 1

Answer:

B. 3 min

3 min Distance = 1km+2km=3km (train+tunnel) speed =60km/hr Time =distance/speed = speed = 3/60 hr= 3/60*60 min=3 min