Braingle: 'Jim and Joe' Brain Teaser

Jim and Joe

Science brain teasers require understanding of the physical or biological world and the laws that govern it.

Puzzle ID:	#48714
Fun:	(2.55)
Difficulty:	(1)
Category:	Science
Submitted By:	Oxiproxd9

Jim and Joe were close brothers until Jim graduated from Yale and became a renowned scientist who made millions. Not wanting to be outdone, Joe invited Jim over to a mansion that he claimed was his. He showed Jim many wonderful things inside the house one of which was a golden statue.

"This was a little gift from a friend of mine," Joe said, rapping on it with his fist, "It's made out of pure gold. See? Even my powerful fist can't make a dent in it."

"I have to say, this is all impressive," Jim admitted, "but I know this is all fake, Joe."

How did Jim know Joe was lying?

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Comments

jordy56 May 20, 2011	Learn something new everyday! Good job on the teaser.
westbrook1 May 20, 2011	That was pretty easy but fun!
Smarty_Pants321 May 21, 2011	OHHHHHHHHHHHHHHHH!!!
ankitankurddit May 23, 2011	This was something good.
princess2007 Jun 02, 2011	Easy but fun.
kittygirl19 Jul 27, 2011	My hard pure gold cat is all truth.
kittygirl19 Oct 23, 2011	Bump
Candi7 Jun 15, 2012	I've known that since 2nd grade, which was when a friend of mine who is clearly above average IQ explained to the class that something could be metal AND soft, pure gold.
Gwendalla Jul 12, 2012	Overall, I loved the story, but I felt it was just a bit of a giveaway by stating "See? Even my powerful fist can't make a dent in it." Well done, but beware giveaways!!!