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by cans » Mon May 21, 2012 3:11 am
R = 3^81
R^R = (3^81)^(3^81) = 3^(81* (3*81))) = 3^(3^4* (3*81)))= 3^ (3^85) = 3^S
S =3^85

IMO D
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by kullayappayenugula » Mon May 21, 2012 3:19 am
answer attached.
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by Anurag@Gurome » Mon May 21, 2012 3:34 am
GmatKiss wrote:Value of S
See the image below:

Image

The correct answer is D.
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