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Quant DS

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Manager
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Joined: 24 Sep 2008
Posts: 189
Schools: Columbia Business School, NYU
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Quant DS [#permalink] New post 06 Mar 2009, 18:46
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A
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D
E

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0% (00:00) correct 0% (00:00) wrong based on 0 sessions
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Senior Manager
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Schools: Fuqua
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Re: Quant DS [#permalink] New post 06 Mar 2009, 19:32
The question can be rephrased as "Is k a perfect square? "

A number is said to be a perfect square where all the prime factors have even exponents.

from statement 1, it is said that 4 which is 2^2 is the factor of K. But it didn't say if it is the only factor. So we don't what other factors are and what their exponents are? So insufficient.

From statement 2, it is said that k is having 4 distinct prime factors. But nothing was mentioned abt the exponents. So insufficient.

Together also we don't whether the exponents of the prime factors are even or not. Hence both the clues are insufficient.

IMO E.
Re: Quant DS   [#permalink] 06 Mar 2009, 19:32
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