Wednesday, May 09, 2007

More stress leh!

Well, was told "Stress Balls" is a no brainer.

Try figuring this one out:

Use weighing machine. You got 9 bags of marbles...in one bag, each marble is 1 gram heavier than the rest. So, in one weighing...how do u figure out which bag contains the ones with the heavier marbles?

1 comment:

Anonymous said...

Carrie
my husband got e answers 2 tis question too but tis time he took <3mins. he not sure if his answer's right but it makes sense, 2 me lor.