GMATPrep question

[curtisyasutake]

Is n > 6?

1) sqrt(n) > 2.5
2) n > sqrt(37)

The answer is D.

It seems to me that the answer should be A. The information in 2) appears to be insufficient: If n > sqrt(37), isn't it possible that n > 6 or n < -6? If this is the case, we wouldn't be able to tell from 2) whether n > 6.

[tim]

i've already answered this in another thread. please do not post the same question multiple times..