riddle me this

wanchai · #1 Apr 27, 2008, 06:52 PM

There are 10 pails. 9 of them contain non-poisonous pills while only 1 contains poisonous pills.All of the pails and pills are of the same colour.How to differentiate the one with the poisonous pills.Non-poisonous pills each weighs 10 gram while poisonous pills each weighs 9 gram.You can only use the weighing scale provided once.

Izannah · Apr 27, 2008, 06:56 PM

Take a pill from each pail, keeping them in order. One by one, put a pill on the scale, when the amount goes up by 9 instead of 10, that one is the poisonous pill....

Sounded good in my head anyways...

wanchai · Apr 27, 2008, 07:00 PM

i answered that but my friend says only can use the reading of the weighing scale once

Izannah · Apr 27, 2008, 07:02 PM

But you are using it once....just taking a really long time...HA!

Da Bigchamp · Apr 28, 2008, 10:59 AM

You can have a skittles party and hope you win.



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