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The value of M (GMAT Prep)

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by Anurag@Gurome » Sat Jun 30, 2012 12:57 am
alex.gellatly wrote:If M = squareroot(4)+ cuberoot(4) + fourthroot (4), than the value of M is
As 4 > 1, for any positive integer n, n-th root of 4 will be greater than 1

Hence, cuberoot(4) > 1
And, fourthroot(4) > 1
And, squareroot(4) = 2

Hence, M > (2 + 1 + 1) = 4

The correct answer is E.
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by sandeep_thaparianz » Sat Jun 30, 2012 5:59 am
E
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