- A420 m
- B600 m
- C780 m
- D400 m
Step-by-Step Solution
Distance m, which includes the train: tunnel m.
Answer: A) 420 m
A 180 m long train running at 72 km/h passes completely through a tunnel in 30 seconds. How long is the tunnel?
Competition practiceSpeed, Time & Distance
Master this topic in 30 minutes a day.
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Speed, Time & Distance practice questions
More Speed, Time & Distance practice
A train has 24 coaches, each 15 m long, and an engine 20 m long (ignore gaps). Running…Two trains run in the same direction at 72 km/h and 54 km/h. The faster train passes a…A train leaves X at 5 a.m. and reaches Y at 9 a.m. Another train leaves Y at 7 a.m. and…A 250 m long train running at 80 km/h crosses another train running at 64 km/h in the…A 150 m long train passes a cyclist riding at 9 km/h towards it in 6 seconds. What is…