perplexus.info :: General : Meet me at the lake

Meet me at the lake (Posted on 2002-12-29)

You and a friend are planning on hiking separately and meeting at a lake neither of you have ever been to before. The map shows it to be a hilly area, with plenty of streams and trees.

You're sure you can find the lake, and walk around it if necessary, but visibility might be poor. Where should you arrange to meet to be sure of finding each other?

There is a simple solution to this problem, which outdoorsy types should be familiar with.

Submitted by pleasance

Rating: 2.8462 (13 votes)

Solution: (Hide)

Lakes may have many inflows, but only one outflow. Arrange to meet at the lake's outflow. It was stated that you could walk around the lake, so presumably you would be able to find a place to cross the outflowing stream if necessary. One could also solve this by agreeing to meet on the true left bank of the outflow (true left = left bank when facing downstream).

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

Subject	Author	Date
Puzzle Thoughts	K Sengupta	2023-07-06 22:01:32
Meeting	Math Man	2015-04-20 16:27:56
re: Im not going hiking with pleasance!	Steve Royer	2004-06-18 20:39:06
Im not going hiking with pleasance!	Jack Squat	2003-12-12 17:04:45
re: why?	Cory Taylor	2003-02-20 10:33:53
why?	gary	2003-02-20 10:04:37
WHY?!!!	gary	2003-02-20 10:02:05
possible solution	gary	2003-02-20 10:00:28
Guess	Gautam Joshi	2003-01-20 20:13:01
re(2): I have a guess.	TomM	2002-12-31 11:24:11
re: I have a guess.	levik	2002-12-30 13:30:04
re: My guess (spoiler)	sach	2002-12-30 13:27:49
I have a guess.	Samantha	2002-12-30 13:11:21
My guess (spoiler)	Jim Lyon	2002-12-30 09:14:24

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