perplexus.info :: Logic : The Letter

The Letter (Posted on 2002-12-08)

You receive a strange letter stating the following:

You are one of 20 logicians worldwide to receive this letter. You don't know each other, but you all think alike. An address is given, and you are told that if a letter is received from one and only one of you, all 20 will equally split a large sum of money. If no letters are received, or more than one, no prize.

What would you to for a chance of winning the prize? What could you do in order to maximise the probability of winning?

See The Solution Submitted by pleasance

Rating: 3.0000 (15 votes)

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

Subject	Author	Date
Puzzle thoughts	K Sengupta	2022-12-12 01:26:45
Solution	Penny	2005-04-30 23:03:48
Another Solution	Eric	2005-04-29 02:26:44
The Answer	Chris, Phd	2004-12-20 05:59:16
A modification to the official solution	S	2003-10-30 12:17:50
in addition	Emon Hunte	2003-02-02 17:01:41
stupid problem	Emon Hunte	2003-02-02 16:59:43
Re: The Letter	Michael	2003-01-30 05:56:46
re(2): probabilistic approach	friedlinguini	2003-01-02 11:39:44
re: probabilistic approach	N__A__T__A	2003-01-02 10:42:01
supposing	N__A__T__A	2003-01-02 10:36:29
a try	ananth	2002-12-22 19:08:21
re(2): probabilistic approach - proof	pleasance	2002-12-13 01:07:08
re(2): probabilistic approach - proof	Cheradenine	2002-12-11 09:19:05
re: probabilistic approach - proof	Jim Lyon	2002-12-11 06:58:18
re(3): probabilistic approach	friedlinguini	2002-12-09 11:36:33
re(2): probabilistic approach	levik	2002-12-09 07:38:06
re: probabilistic approach	Nick Reed	2002-12-09 02:41:54
probabilistic approach	Cheradenine	2002-12-09 00:50:51
Solution	Dulanjana	2002-12-09 00:47:20
re: logical ...	Raveen	2002-12-09 00:25:32
logical ...	Gary	2002-12-08 17:03:39
A thought...	friedlinguini	2002-12-08 15:12:32
re: (gagga)	TomM	2002-12-08 13:52:55
No Subject	gagga	2002-12-08 13:41:23
re(2): What I would do	cges	2002-12-08 13:39:05
re: What I would do	levik	2002-12-08 13:23:28
What I would do	cges	2002-12-08 08:09:10

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 (3)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info