Practice30Create account

An express train 250 m long is travelling at 90 km/h. How long, in seconds, will it take to cross a 350 m platform completely?

Competition practiceSpeed, Time & Distance
  • A24
  • B14
  • C20
  • D28

Step-by-Step Solution

90 km/h = 25 m/s. Total distance = 250 + 350 = 600 m, so time = 600 ÷ 25 = 24 s.
Answer: A) 24

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 man can row at 6 km/h in still water. He takes twice as long to row a certain distance…Going downstream, a ferry covers 42 km in 3 hours; coming back upstream, the same 42 km…Running at 72 km/h, a 220 m long express clears a platform completely in 25 seconds.…A boat covers 36 km downstream in 3 hours and 24 km upstream in 3 hours. Find the speed…Ravi rides his scooter from home to the farm at 36 km/h and returns on the same road at…