primes, odds and exponen problem

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Taniuca: Senior | Next Rank: 100 Posts; Posts: 62; Joined: Mon Aug 02, 2010 3:25 pm; Thanked: 3 times

by Taniuca » Thu Aug 26, 2010 5:54 pm

How to solve the following the following problem will be highly appreciated Tks!

Does p2 = q if p is a prime number?

(1) q^2- p^2 = 0

(2) p^2 = 49

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Source: Beat The GMAT — Data Sufficiency | Thu Aug 26, 2010 5:54 pm

Gurpinder: Legendary Member; Posts: 659; Joined: Mon Dec 14, 2009 8:12 amFollowed by: 3 members; Thanked: 32 times

by Gurpinder » Thu Aug 26, 2010 6:28 pm

Taniuca wrote:How to solve the following the following problem will be highly appreciated Tks!

Does p2 = q if p is a prime number?

(1) q^2- p^2 = 0

(2) p^2 = 49

Hey Taniuca,

do you mean p^2 or 2p?

"Do not confuse motion and progress. A rocking horse keeps moving but does not make any progress."
- Alfred A. Montapert, Philosopher.

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BastiG: Master | Next Rank: 500 Posts; Posts: 146; Joined: Sun Jun 13, 2010 5:05 am; Thanked: 7 times

by BastiG » Fri Aug 27, 2010 12:30 pm

Can you post the source. I guess that the answer is E but i am not sure

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