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# The dimensions, in centimeters, of rectangular box R are 6 by 8 by 10.

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Math Expert
Joined: 02 Sep 2009
Posts: 50730
The dimensions, in centimeters, of rectangular box R are 6 by 8 by 10.  [#permalink]

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04 Dec 2017, 21:52
00:00

Difficulty:

15% (low)

Question Stats:

94% (01:36) correct 6% (00:47) wrong based on 27 sessions

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The dimensions, in centimeters, of rectangular box R are 6 by 8 by 10. Which of the following CANNOT be the total surface area, in square centimeters, of two faces of R?

(A) 96
(B) 120
(C) 128
(D) 160
(E) 180

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Joined: 18 Aug 2016
Posts: 625
Concentration: Strategy, Technology
GMAT 1: 630 Q47 V29
GMAT 2: 740 Q51 V38
Re: The dimensions, in centimeters, of rectangular box R are 6 by 8 by 10.  [#permalink]

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04 Dec 2017, 21:58
1
Bunuel wrote:
The dimensions, in centimeters, of rectangular box R are 6 by 8 by 10. Which of the following CANNOT be the total surface area, in square centimeters, of two faces of R?

(A) 96
(B) 120
(C) 128
(D) 160
(E) 180

6*8 = 48 ; 8*10 = 80; 10*6 = 60

96 (2*48)..possible
120 (2*60)..possible
128(60+48)..possible
160(2*80)..possible
180..not possible
E
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Joined: 01 Feb 2017
Posts: 171
Re: The dimensions, in centimeters, of rectangular box R are 6 by 8 by 10.  [#permalink]

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06 Dec 2017, 00:53
Ans E

Choice A= 96=
(6*8) x 2 oppoiste faces.

Choice B= 120=
(6*10) x 2 oppoiste faces.

Choice C= 128=
(6*8) x (10*8), two adjacent faces.

Choice D= 160=
(10*8) x 2 oppoiste faces.

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Re: The dimensions, in centimeters, of rectangular box R are 6 by 8 by 10. &nbs [#permalink] 06 Dec 2017, 00:53
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