manhattan math 14

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resilient: Legendary Member; Posts: 789; Joined: Sun May 06, 2007 1:25 am; Location: Southern California, USA; Thanked: 15 times; Followed by:6 members

by resilient » Sun Feb 17, 2008 11:33 pm

If 3^m3^m3^m = 9^n, then m/n =

a.1/3
b.2/3
c.1
d.3/2
e.3

qa is b

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Source: Beat The GMAT — Data Sufficiency | Sun Feb 17, 2008 11:33 pm

joshi.komal: Senior | Next Rank: 100 Posts; Posts: 74; Joined: Tue Sep 25, 2007 7:58 am; Thanked: 4 times

by joshi.komal » Mon Feb 18, 2008 3:00 am

Enginpasa1 wrote:If 3^m3^m3^m = 9^n, then m/n =

a.1/3
b.2/3
c.1
d.3/2
e.3

qa is b

Hi Engin,

3^m3^m3^m = 9^n
=> 3^3m = 3^2n
=> 3m = 2n
=> m/n = 2/3
so the answer is B

I hope this is what you wanted to know...

Thanks
Komal

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