top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

A 330 yard long train, travelling at 50 mph, enters a.............and the moment the end of the train clears the tunnel?

0 votes
804 views

A 330 yard long train, travelling at 50 mph, enters a three mile long tunnel. How long will elapse between the moment the front of the train enters the tunnel and the moment the end of the train clears the tunnel?

posted Jan 8, 2016 by Kapil Kapoor

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

1 Answer

0 votes

Train length=d1=330yard
Tunnel length=d2=3miles=3*1760=5280yards
Total distance=d=d1+d2=330+5280=5610yards
Speed=S=50mph={(50*1760)/3600}yard/sec
Time=t=d/s=5610/{(50*1760)/3600}=229.5sec
Ans is 229.5 sec

answer Jan 8, 2016 by Jaikumar Bhatia



Similar Puzzles
+1 vote

A 440 yard long train, travelling at 60 mph, enters a one mile long tunnel.
How long will elapse between the moment the front of the train enters the tunnel and the moment the end of the train clears the tunnel?

0 votes

A 500 yard long train, travelling at 90 mph, enters a tunnel of four and a half miles in length.

How long will elapse between the moment the front of the train enters the tunnel and the moment the end of the train clears the tunnel?

0 votes

A 400 yard long train, travelling at 30 mph, enters a one mile long tunnel.

How many seconds will elapse between the moment the front of the train enters the tunnel and the moment the end of the train clears the tunnel?

0 votes

A 110 mtr long train, travelling at 50 kmph enters a two km long tunnel.

How long will elapse between the moment the front of the train enters the tunnel and the moment the end of the train clears the tunnel?

0 votes

A 330 yard long train, travelling at 60 mph, enters a three mile long tunnel.

How long will elapse between the moment the front of the train enters the tunnel and the moment the end of the train clears the tunnel?

...