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July 16, 2008

Microsofts Puzzle

You have 5 jars of pills. Each pill weighs
10 gram, except for contaminated pills contained
in one jar, where each pill weighs 9 gm. Given
a scale, how could you tell which jar had the
contaminated pills in just one measurement?

3 comments:

wgopu said...

answer goes lik this.....
mark each jar wid numbers namely 1,2,3,4,5...
then take 1 pill from 1st jar,2 from second..and so on.......
now measure the weight...
if all were perfect it would weigh 150gm...calculate the reduced weight and tat is the mark on the desired jar.....
eg if the weight is 148..the jar will the 1 marked as 2

Anonymous said...

wrong...7

Anonymous said...

no u only need 1. like wgopu said