perplexus.info :: General : A Better Mousetrap

A Better Mousetrap (Posted on 2004-01-20)

The following question was asked on a math test:

If 6 cats kill 6 rats in 6 minutes, how many will be needed to kill 100 rats in 50 minutes?

Ryan answered 12, Stefanie said 13, and Tom put down 14 for his answer. After looking at their work, the teacher decided to give all three students credit.

What were the arguments that each student made?

See The Solution Submitted by DJ

Rating: 4.1818 (11 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

re: 2/3 of an answer (FYI...)

| Comment 3 of 12 |

(In reply to 2/3 of an answer by Charlie)

There is a good mathematical reason for all three answers.

=)

Posted by DJ on 2004-01-20 11:37:48

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