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IQ question
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One Day, Master Yoda gathers Anakin, Kit Fisto, Plo Koon, Asuka to do a Mind Training.
There are two leaves next to Master Yoda.
Each leaf would take exactly 1 hour to be burned from one end to another end.
And the most tricky part is that the burning speed is uneven (sometimes faster sometimes slower) but it will take 1 hour so sure.
Now the question is : use these two leaves to get 45 mins. ^_^
(Hint: Asuka tried several cutting ways, but they are all wrong because the uneven speed...)













Answer is:

We need to burn 2 leaves all
How to do so?

--------------------START (time = 0 min)------------------------------------
Leaf A = burns it from top and also bottom (both ends are on fire)
Leaf B = burns normally from the top (one end is on fire)

----------------Leaf A burned out (time = 30 mins)--------------------------
Leaf B = start another fire on the other end (make it both ends on fire now)

----------------Leaf B burned out (time = 45 mins)--------------------------


The reason is simple, the speed is double as two ends on fire at the same time
So A => 30mins finished
left over B => 15mins finished

The tricky part here, it is not possible to divide A or B in regarding to length or size or weight.
Thus Asuka is wrong as long as trying to cut the leaf in "correct" size.




Comments

 I like it 
  February 12, 2011
If we cut in parts and light them up at the same time they would burn up faster. I couldn't comprehend the instructions perfectly, so I couldn't write the numbers.
 I like it 
  August 13, 2009
I could'nt figure this one out so i looked at the answer :D.
 I like it 
  June 14, 2009
wa ho hing fan geen do doh yat go heung gong geh lego yan. ngo gok dak lei D yeah ho ging- gai zhok chai!
 I like it 
  May 3, 2009
ah...very tricky! ^^
 I made it 
  May 2, 2009
add answer
 I like it 
  May 2, 2009
umm...I didn't get it...do you have to use up the whole leaves, so that they are fully burned in the end? And lets say, when I cut it lenghtwise, like in the picture with the big fat WINDU in between the signs, does each of them take 30 minutes to burn, or is there an uneven speed as well?
 I made it 
  May 1, 2009
One Day, Master Yoda gathers Anakin, Kit Fisto, Plo Koon, Asuka to do a Mind Training. There are two leaves next to Master Yoda. Each leaf would take exactly 1 hour to be burned from one end to another end. And the most tricky part is that the burning speed is uneven (sometimes faster sometimes slower) but it will take 1 hour so sure. Now the question is : use these two leaves to get 45 mins. ^_^ (Hint: Asuka tried several cutting ways, but they are all wrong because the uneven speed...)
 I like it 
  April 29, 2009
SCANLATIONS!!! :P I can't read Chinese ;(
  April 20, 2009
sorry, but I can only read english. But, the lighting is great and I don't even have that many jedi. 10/10 on lighting. 9/10 on jedi. 7/10 on background. over all 26/30, nice job.
 I like it 
  April 17, 2009
i think its good but can u make an english version thanks
  April 17, 2009
Ohyo gazimas. Genki des ka? Yeah, can't spell in Japanese... sorry. (who am I kidding, can't spell in English either) ~ Chris.
 
By hopeso 009
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