You have 4 weights weighing 2,3,5 and 7 pounds. The problem is none of them are marked. What is the fewest number of weighings you need using a balance scale figure out which weights are which?
umm think itz 5...but then dunno how to explain it...itz in my mind!!!
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Posted by ktii
on 2004-08-30 04:46:15 |