Brain Teaser: Dr. Nasty’s Giant Cube

15 Comments

1. Masa on April 26, 2007 at 10:22

   Damn, this is propably the eas­i­est puz­zle you have ever post­ed here.

   
   
   
2. Caroline on April 26, 2007 at 11:33

   Masa, I’m glad to hear you’re sharp enough to get this one so quick­ly! Not every­one else has. We’ll post anoth­er one tomor­row — come back and see how you do!

   
   
   
3. Sandman on May 2, 2007 at 12:21

   I don’t like the expla­na­tion beca­sue it relies on rules of thumb. It’s simlple to go to the fun­da­men­tal equa­tions for SA and V. Each side is 1 X 1. Times 6 sides = 6. Dou­ble that is 12. Solve for side length gives √2. V = side length cubed. 2*√2.

   
   
   
4. Caroline on May 7, 2007 at 9:20

   Sand­man,

   Thanks for anoth­er, very valid explanation!

   
   
   
5. r on September 6, 2007 at 6:54

   gig­gi­ty.

   
   
   
6. Alana on October 16, 2007 at 9:55

   It is annoy­ing to have to down­load the answers and hints to Word. Can’t you make it part of the website?

   
   
   
7. Alvaro on October 16, 2007 at 10:20

   Hel­lo Alana, we stopped using this Word sys­tem to dis­play answers, giv­en feed­back like yours. The answers to most teasers are now eas­i­er to find. Thanks.

   
   
   
8. Beck on November 7, 2007 at 11:15

   To use the basic vol­ume equa­tion V = H x L x W,

   V = √2 x √2 x √2

   
   
   
9. Sheri on December 6, 2007 at 6:38

   I agree with Alana, it is very annoy­ing to down­load the hints and answers and usu­al­ly I don’t. It would be much bet­ter if you could just click and read!!

   
   
   
10. Alvaro on December 6, 2007 at 9:17

    Hel­lo Sheri, OK, let us think how to make it eas­i­er to check the answer. Thanks for the feedback.

    
    
    
11. Mitch on January 6, 2008 at 2:43

    Yea i found this one very easy.

    
    
    
12. fluffychenille on January 27, 2008 at 1:02

    Just cre­ate anoth­er linked “web­page” for the answer.…the down­load is annoying.

    
    
    
13. tayler on February 6, 2008 at 12:34

    i love dr. nasty =)

    
    
    
14. mathlete on April 15, 2008 at 8:06

    tech­ni­cal­ly you cant dou­ble a ‘per­fect’ cube…the answer is irrational…triple a cube yes , nev­er double…well i think so anyway

    
    
    
15. R V on October 15, 2009 at 7:16

    The old­er side is 1 Foot.

    As the new area of one side is now 2 square feet, then one side becomes √2 feet (or 1.414 feet). Now the Vol­ume is:

    √2 x √2 x √2 = 2√2 = 2.828 cubic feet.