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If n is an integer between 2 and 100 and if n is also the

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Intern
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If n is an integer between 2 and 100 and if n is also the [#permalink] New post 05 Nov 2009, 16:03
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A
B
C
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100% (01:39) correct 0% (00:00) wrong based on 1 sessions
If n is an integer between 2 and 100 and if n is also the square of an integer, what it the value of n?

(1) n is even
(2) The cube root of n is an integer

thanks,
Manager
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Re: DS - Arithmetic - Property of numbers problem [#permalink] New post 05 Nov 2009, 18:02
From the given statement, n = {4, 9, 16, 25, 36, 49, 64, 81, 100}.

Statement 1: n is even.

n = {4, 16, 36, 64, 100}. Not sufficient.

Statement 2: The cube root of n is an integer.

n = {64}. Sufficient.

Therefore, the answer is B.
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Re: DS - Arithmetic - Property of numbers problem [#permalink] New post 06 Nov 2009, 08:19
thanks, as always once I see the response it is obvious... happens a lot on DS questions...
anyway... have a good one!!
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Re: DS - Arithmetic - Property of numbers problem [#permalink] New post 06 Nov 2009, 18:33
flehnen wrote:
If n is an integer between 2 and 100



Question to the Moderators:

In an actual GMAT Q if I am asked the same / similar question, should I assume that both '2' and '100' are included with-in the boundry of possible integers? Or I should asumme "3 to 99". My confusion arose because the question stem did not specify that both '2' and '100' are inclusive. Well, neither did it specify that they are NOT inclusive.

I understand that my confusion has no bearing with the correct answer to this particular DS Q.

Thanks in appreciation for the expected reply.
Re: DS - Arithmetic - Property of numbers problem   [#permalink] 06 Nov 2009, 18:33
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