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# What is the volume of a certain rectangular solid? (1) Two

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Manager
Joined: 02 Sep 2008
Posts: 103
What is the volume of a certain rectangular solid? (1) Two [#permalink]

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31 Mar 2009, 20:32
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100% (00:58) correct 0% (00:00) wrong based on 1 sessions

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What is the volume of a certain rectangular solid?

(1) Two adjacent faces of the solid have areas 15 and 24, respectively.
(2) Each of two opposite faces of the solid has area 40.
Director
Joined: 04 Jan 2008
Posts: 893

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31 Mar 2009, 21:14
A it is
from (1)we get three sides --> 3,5,8

(2)--INSUFF
milind1979 wrote:
What is the volume of a certain rectangular solid?

(1) Two adjacent faces of the solid have areas 15 and 24, respectively.
(2) Each of two opposite faces of the solid has area 40.

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Manager
Joined: 19 Aug 2006
Posts: 238

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01 Apr 2009, 17:25
I think it's E.

stmnt1 - it could be that the sides of the face with the area 15 are 7.5 and 2, or 3 and 5, etc. - not suffic.
stmnt 2 - many possibilities, not suffic.
VP
Joined: 05 Jul 2008
Posts: 1401

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02 Apr 2009, 17:30
Re: S7-DS   [#permalink] 02 Apr 2009, 17:30
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