wanchai Posts: 2, Reputation: 1 New Member #1 Apr 27, 2008, 07:52 PM
Riddle me this
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 Posts: 125, Reputation: 18 Junior Member #2 Apr 27, 2008, 07:56 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 anyway...
 wanchai Posts: 2, Reputation: 1 New Member #3 Apr 27, 2008, 08:00 PM
I answered that but my friend says only can use the reading of the weighing scale once
 Izannah Posts: 125, Reputation: 18 Junior Member #4 Apr 27, 2008, 08:02 PM
But you are using it once... just taking a really long time... HA!
 Da Bigchamp Posts: 360, Reputation: 18 Full Member #5 Apr 28, 2008, 11:59 AM
You can have a skittles party and hope you win.

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