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GMAT prep - n between 2 & 100

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by Anurag@Gurome » Wed Mar 14, 2012 4:06 am
jkelk wrote:Hi

Please help answer the attached ques
Square of n between 2 and 100 are: 1, 4, 9, 16, 25, 26, 49, 64, 81

(1) n is even implies there can be many possible answers.
No definite answer; NOT sufficient.


(2) Cube root of n is an integer.
Also n is the square of an integer.
Only 64 has a cube root of 4 (present in the list above), no other integer's cube root is present in the above list; SUFFICIENT.

The correct answer is B.
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