- A50 s
- B60 s
- C46 s
- D14 s
Step-by-Step Solution
54 km/h m/s. It must cover tunnel + its own length m. Time s. (46 s covers only the tunnel.)
Answer: B) 60 s
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Problems on Trains practice questions