Jump to content

Welcome to BrainDen.com - Brain Teasers Forum

Welcome to BrainDen.com - Brain Teasers Forum. Like most online communities you must register to post in our community, but don't worry this is a simple free process. To be a part of BrainDen Forums you may create a new account or sign in if you already have an account.
As a member you could start new topics, reply to others, subscribe to topics/forums to get automatic updates, get your own profile and make new friends.

Of course, you can also enjoy our collection of amazing optical illusions and cool math games.

If you like our site, you may support us by simply clicking Google "+1" or Facebook "Like" buttons at the top.
If you have a website, we would appreciate a little link to BrainDen.

Thanks and enjoy the Den :-)
Guest Message by DevFuse

* * * * * 1 votes

balancing weights

Best Answer Rainman, 25 February 2014 - 06:07 AM

Spoiler for

Go to the full post

  • Please log in to reply
2 replies to this topic



    Senior Member

  • Members
  • PipPipPipPip
  • 1828 posts
  • Gender:Female

Posted 24 February 2014 - 11:46 PM

You have an unlimited supply of 7 and 11 pound weights. You also have a 5 pound potato. Can you weigh the potato on a balance scale? What about a 9 pound potato?
  • 0

#2 Rainman


    Advanced Member

  • Members
  • PipPipPip
  • 159 posts

Posted 25 February 2014 - 06:07 AM   Best Answer

Spoiler for

  • 0

#3 plasmid


    Senior Lolcat

  • VIP
  • PipPipPipPip
  • 1483 posts
  • Gender:Male

Posted 25 February 2014 - 07:25 AM

Spoiler for an approach with minimal math
But this is not the approach with the minimum number of weights, in case anyone wants to go after that problem.
  • 0

0 user(s) are reading this topic

0 members, 0 guests, 0 anonymous users