a train of 24 carriages,each carriage of 60m with an engine of 60m long is running at an speed of 60kmph.how much does the train take to cross a tunner of 3/2Km(1 1/2km) long?

• 3 minutes
  Total length of the train=24*60+60=1440+60=1500 m.
  Length of tunnel=3/2 km=1500 m.
  Total length to be crossed=1500+1500=3000 m.
  Speed of the train=60 kmph=60000m/3600s
  Time taken=3000*3600/60000=180 sec=3 min.
• 10 years agoHelpfull: Yes(0) No(0)
• Ans. - 24*60m=1440m
  engine = 60m
  total=1440+60
  =1500m
  distance = 3/2 km
  =1500m
  then total distance = 1500m+1500m
  3000m=3km
  speed=60kmph
  train take to cross = 3/60=0.05 h
  =3 minut
• 10 years agoHelpfull: Yes(0) No(0)