A rectangular sheet of metal

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sanju09: GMAT Instructor; Posts: 3650; Joined: Wed Jan 21, 2009 4:27 amFollowed by: 80 members; Location: India; Thanked: 267 times; GMAT Score:760

by sanju09 » Sat Apr 26, 2014 10:25 pm

A rectangular sheet of metal measures 18 by 15. If four squares each of an even integer side x are cut from the four corners of this metal sheet to form an open box, then what is the ratio in the volume and the surface area of the box so formed?
(1) If four squares each of side 3x/2 are cut from the four corners of this metal sheet to form an open box, then the volume of the box so formed will be 324.
(2) The ratio x to y is 2.

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Source: Beat The GMAT — Data Sufficiency | Sat Apr 26, 2014 10:25 pm

Bill@VeritasPrep: GMAT Instructor; Posts: 1248; Joined: Thu Mar 29, 2012 2:57 pmFollowed by: 192 members; Location: Everywhere; Thanked: 503 times; GMAT Score:780

by Bill@VeritasPrep » Mon Apr 28, 2014 12:47 pm

I see y in S2, but where else is it mentioned in the problem?

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sanju09: GMAT Instructor; Posts: 3650; Joined: Wed Jan 21, 2009 4:27 amFollowed by: 80 members; Location: India; Thanked: 267 times; GMAT Score:760

by sanju09 » Mon Apr 28, 2014 11:40 pm

Bill@VeritasPrep wrote:I see y in S2, but where else is it mentioned in the problem?

HENCE?

The mind is everything. What you think you become. –Lord Buddha

Sanjeev K Saxena
Quantitative Instructor
The Princeton Review - Manya Abroad
Lucknow-226001

www.manyagroup.com

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