P positive?

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Source: — Data Sufficiency |

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by tohellandback » Thu Aug 06, 2009 10:00 pm
IMO C

1) not sufficient
12,20,28..all are possible

2) not sufficient

combined
p must be of the form p=4*n where n is a prime number

statement 2 says p is divisible by 3.
so n=3
number is 12
sufficient
The powers of two are bloody impolite!!

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by ST » Fri Aug 07, 2009 4:39 am
Thank you