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# If N = 1/3 + 1/3^2 +1/3^3 , then N is between A. 0 and 1/9

Author Message
Manager
Joined: 03 Oct 2008
Posts: 61
If N = 1/3 + 1/3^2 +1/3^3 , then N is between A. 0 and 1/9 [#permalink]

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08 Oct 2008, 14:21
If N = 1/3 + 1/3^2 +1/3^3 , then N is between

A. 0 and 1/9
B. 1/9 and 1/3
C. 1/3 and 8/9
D. 8/9 and 4/3
E. 4/3 and 2

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Director
Joined: 23 May 2008
Posts: 742

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08 Oct 2008, 17:25
agree with C

1/3 + 1/3^2 + 1/3^3=
13/27 ~ 12/27= 4/9
Manager
Joined: 15 Apr 2008
Posts: 159

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08 Oct 2008, 18:02
bigtreezl wrote:
agree with C

1/3 + 1/3^2 + 1/3^3=
13/27 ~ 12/27= 4/9

can you guys explain how you determined the answer.

--== Message from GMAT Club Team ==--

This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

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Re: math ----N   [#permalink] 08 Oct 2008, 18:02
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# If N = 1/3 + 1/3^2 +1/3^3 , then N is between A. 0 and 1/9

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