Khan/khan-exercises — Issue #7147: Counting 2 - Give wrong answer
Author: KhanBugz
Created: 2011-11-27 21:34:29+00:00
State: open
Labels: ie8, ie9, win7, wrong-or-unclear

"There are 6 people in a room.

If everyone shakes everyone else's hand exactly once, how many handshakes occurred?"

Correct answer = 30 and gives as wrong

[counting_2.html?seed=124&problem=handshakes](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/counting_2.html?seed=124&problem=handshakes&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/counting_2.html?seed=124&problem=handshakes&debug&activity=%5B%5B%22incorrect-activity%22%2C%22%5C%2230%5C%22%22%2C17%5D%5D)

["30"]

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