30-31

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by beny » Sat Aug 25, 2007 3:31 pm
5!/3! = 20.

Answer A

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by magical cook » Sun Aug 26, 2007 5:19 pm
Yes the answer is A.

but I thought 5p3 * 2p1 = 120 which is not even on the answer list thought, because the remaining 2 cars are two different colors... hmm