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# M21-10

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Math Expert
Joined: 02 Sep 2009
Posts: 44351

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16 Sep 2014, 01:10
00:00

Difficulty:

15% (low)

Question Stats:

83% (00:51) correct 17% (00:56) wrong based on 98 sessions

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A rectangular tank measuring 2 x 3 x 4 meters is filled with water to 30% of its capacity. If all this water is poured into another rectangular tank measuring 3 x 4 x 5 meters, to what percent of its capacity will the new tank be filled ?

A. 9
B. 12
C. 15
D. 18
E. 24
[Reveal] Spoiler: OA

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Math Expert
Joined: 02 Sep 2009
Posts: 44351

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16 Sep 2014, 01:10
Official Solution:

A rectangular tank measuring 2 x 3 x 4 meters is filled with water to 30% of its capacity. If all this water is poured into another rectangular tank measuring 3 x 4 x 5 meters, to what percent of its capacity will the new tank be filled ?

A. 9
B. 12
C. 15
D. 18
E. 24

The tank contains $$2*3*4*0.3 = 7.2$$ cubic meters of water. The new tank will be filled to $$\frac{7.2}{3*4*5} = 0.12$$ of its capacity.

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Senior Manager
Joined: 08 Jun 2015
Posts: 372
Location: India
GMAT 1: 640 Q48 V29

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16 Nov 2017, 03:17
+1 for B.
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" The few , the fearless "

Re: M21-10   [#permalink] 16 Nov 2017, 03:17
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# M21-10

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