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Move Mount Fuji? May 24, 2005

Posted by dhar in Misc.
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I am currently reading “How Would You Move Mt. Fuji” and came across a nice puzzle in that book. The puzzle has two solutions, one being pretty obvious. See if you can crack both the solutions:

You are given a rectangular cake with a rectangular portion cut off. The cut off rectangular portion can be of any size/orientation and can be located anywhere on the cake.

How will you divide such a cake into two equal halves with just one slice of a knife.

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Comments»

1. srini - May 24, 2005

Are you preparing for microsoft interview or something. I thought you hated the guys from Redmond.

2. Dhar - May 24, 2005

Srini Man…

I am not preparing for the MS interview. Was reading the book just for the heck of it.

Had some good puzzles which I will put up on the blog over the next week or so.

Cheers,
D.

3. Anonymous - May 24, 2005

cut it along its height in the middle, hope this should be the easy solution

4. Anonymous - May 24, 2005

apply the good ol’ geometry fundaes. Join the centre of the (original) cake with the centre of the cut piece and cut along that line.

5. Jeet - May 25, 2005

wrong question.. it is NOT rectangular.. it should be cube or something… see if you use that word EVERYONE will tell you cut in 3d.. horizontally uda do.. of course assuming ki portion jo remove hua woh bhi cube hai.. (with same depth as cake)

6. Anonymous - May 25, 2005

te be more generic – A cuboid with a smaller cuboid cut out from newhere within.

7. Dhar - May 25, 2005

Jeet you are right… But when I said a rectangular cake, I assume everyone will understand that it is the top view of the cake that is a rectangle.

Also both these answers are correct:

1. Slice along the height
2. Slice along the line joining the two centers

Cheers,
D.

8. Anonymous - May 25, 2005

Do you have any more puzzle books?

-pc

9. Anonymous - May 26, 2005

🙂 LOL,
– arunr


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