Donut for you !
A women have a donut, along with two "use and throw" knives. This time*, she decided to divide the donut among 5 children and you, only if you can help her do that?
* last time was differentLabels: out-of-the-box, thinktank
posted by Rajesh Lal at
9:15 AM
20 Comments:
Isn't it the same answer as last time, just cut the donut into 6 pieces. Ewwww hard, not
Isn't it the same as last time, just cut the donut into 6 pieces. Ewwww that was hard, not
Isn't it the same as last time, just cut the donut into 6 pieces. Ewwww that was hard, not
It would help if i had a clue what a "use and throw" knife was. I'm not sure why a knife needs to be used for a donut, esp since there's no limitation on the number of cuts or the equality of the sizes. I don't understand what it problem is asking.
Why the hell would u buy a knife that u could only use once, that's retarded
I'm afraid with both of these "donut" puzzlers the real question is what the heck kind of weird situation are the people in this word problem living?
First off, a woman is either so poor or so stingy that she will only buy one donut for five children? And yet she'll gladly throw away a knife after making one cut with it? For real?
A donut is not a pie or a roast and even the cheapest plastic knives can be used to make multiple cuts in pastry.
My solution: I eat the donut then take the one-use knives and plunge them through my left an right ventricles to free myself from such a cruel and backwards hypothetical world.
hahahaha ! that was so funny
i think essentially the problem is to cut the donut into 6 pieces in two cuts
and 5 pieces in two cuts in the last puzzle
no clue so far :(
This problem has a very simple answer. Go out and buy another knife. The most you can cut with 2 "use and throw" knifes are 5 pieces. Or you could just simply say that you don't want any donuts. There done
Sell the two knifes and buy 5 more donuts.
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Since "use and throw" knives are clearly imaginary, tell the kids to imagine more donuts and they'll be fine. This is clearly a disturbed family with psychological problems.
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You can easily get 5 or 6 pieces by looking at the donut edge-on and cutting in X (two cuts), but making them anything like equal sizes this way (which I would assume is warranted by the situation) would be nearly impossible.
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Or you can cut it in half with the first cut, then stack one on top of the other (with the "C" shapes facing different directions), then make your second cut, to make two almost C shapes and several almost triangle shapes.
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It's a silly, ill worded puzzle and we didn't need two of them.
i am sure the guy above is not able to solve any of the two problems, by the way the first problem is simple if you put an intersection of two cuts at any point in the donut !
With the "cut in half and stack" method you can get any number between 3 and 6 pieces by simply adjusting the placement of the second cut, although it is true that I don't know a way to get 5 or 6 equal pieces without the use of a protractor.
give the donut to the first kid, tell him to take a small bite and pass it to the second kid and so on.
the woman eats what is left and if anyone complain she'll use the knives as weapon.
:)
What I find as the true logical hurdle in this is what the limitations of these imaginary "use and throw" knives are. To make multiple cuts in a single go, I'd curve the path of the knife inwards and outwards to make slices every 60 degrees. By no means precise, but also requires only one knife.
But if the limitation is "one must throw the knife away after the blade exits pastry," well then you'd have to throw it away once you reach the hole in the donut, wouldn't you? Unless this is some non-standard donut like jelly or some nonsense.
Make the same ess-shaped cut from the five-piece puzzle, but this time-
The first cut starts on the top left, curves back before the hole, then again after the hole, exiting on the right. Reverse the cut starting on the top right, curve back before the hole, and back again after the hole, then exit on the bottom left.
You have six pieces-
two triangular shaped pieces (top and bottom), two jagged "E" shaped pieces (left and right), abd two circular pieces(one above the hole and one with a hole).
ENJOY...
What, no milk?
I like Lillmiss's answer. Take bites in turns and shove the knives up the backside of the chap who thought out this stupid thing!!! Wolfie.
SOLUTION PICTURE ADDED
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GOT RIGHT
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Anonymous guys above
For the record, I was the anon that posted "Or you can cut it in half with the first cut, then stack one on top of the other".
I can figure out logic puzzles, but missed the simple selection of "Other" in "Choose an identity".
Well, since the author didn't say straight (planar) cuts had to be made or the pieces have to be the same size, a person could actually cut any object into arbitraty many pieces with two cuts.
Imagining a rectangular cake, The first cut can be made in a wavy fashion across the center of the cake, making N ripples. The second cut, a simple planar cut, could cut across all these ripples, lopping all the tops of these ripples off with the second cut, making roughly 2N pieces of various sizes.
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