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ankanas
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PostPosted: Thu Aug 30, 2007 11:01 pm    Post subject: GMAT Prep Reply with quote
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Bharat
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PostPosted: Fri Aug 31, 2007 1:10 am    Post subject: Reply with quote
I believe that the answer is C.

Let me know if something is mistaken. Here is the answer.
a, b & c are integers.
1. it mean that at least one of a, b or c is equal to 7
NOT SUFFICIENT

2. It means that b & c cant be 7 (because 18 has not integers factors that is equal to 7)
NOT SUFFICIENT

However, combining these two yields that only a can be 7. Hence C is the answer.
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kajcha
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PostPosted: Fri Aug 31, 2007 6:33 am    Post subject: Reply with quote
Agree C
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Bharat
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PostPosted: Fri Aug 31, 2007 8:44 pm    Post subject: Reply with quote
Great to hear that!!
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