perplexus.info :: Just Math : Simple trains problem

Simple trains problem (Posted on 2017-08-29)

A freight train going in one direction takes 3 minutes to pass a crossing. A slower train of the same length on a parallel track in the other direction takes 4 minutes.

How long does it take these trains to pass each other?

No Solution Yet Submitted by Jer

Rating: 3.0000 (1 votes)

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
or, in general	Larry	2017-08-29 10:25:39
Simple Solution (spoiler)	Steve Herman	2017-08-29 09:57:56

Please log in:

Login:
Password:
Remember me:

Sign up! \| Forgot password

Search:

Search body:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (2)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info