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Problem solving

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Intern
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Joined: 30 Nov 2012
Posts: 8

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Problem solving [#permalink]

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New post 30 Nov 2012, 22:46
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can anybody help me:
If n is a prime number greater than 3, what is the remainder when n2( n square) is divided by 12?
A)0. B)1. C)2. D)3. E)5

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Joined: 02 Jul 2012
Posts: 1214

Kudos [?]: 1717 [2], given: 116

Location: India
Concentration: Strategy
GMAT 1: 740 Q49 V42
GPA: 3.8
WE: Engineering (Energy and Utilities)
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Re: Problem solving [#permalink]

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New post 30 Nov 2012, 22:57
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Since there are no restrictions on n other than the fact that it is a prime number greater than 3, we can just pick any prime number greater than 3 and divide it by 12 to find the answer.

eg: 5^2 = 25
Dividing by 12, remainder is 1.

Answer is B
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Kudos [?]: 1717 [2], given: 116

Re: Problem solving   [#permalink] 30 Nov 2012, 22:57
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