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M21-10

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M21-10 [#permalink]

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New post 16 Sep 2014, 00:10
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Question Stats:

85% (00:48) correct 15% (01:01) wrong based on 82 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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Kudos [?]: 135660 [0], given: 12705

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Joined: 02 Sep 2009
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Kudos [?]: 135660 [0], given: 12705

Re M21-10 [#permalink]

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New post 16 Sep 2014, 00:10
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.

Answer: B
_________________

New to the Math Forum?
Please read this: Ultimate GMAT Quantitative Megathread | All You Need for Quant | PLEASE READ AND FOLLOW: 12 Rules for Posting!!!

Resources:
GMAT Math Book | Triangles | Polygons | Coordinate Geometry | Factorials | Circles | Number Theory | Remainders; 8. Overlapping Sets | PDF of Math Book; 10. Remainders | GMAT Prep Software Analysis | SEVEN SAMURAI OF 2012 (BEST DISCUSSIONS) | Tricky questions from previous years.

Collection of Questions:
PS: 1. Tough and Tricky questions; 2. Hard questions; 3. Hard questions part 2; 4. Standard deviation; 5. Tough Problem Solving Questions With Solutions; 6. Probability and Combinations Questions With Solutions; 7 Tough and tricky exponents and roots questions; 8 12 Easy Pieces (or not?); 9 Bakers' Dozen; 10 Algebra set. ,11 Mixed Questions, 12 Fresh Meat

DS: 1. DS tough questions; 2. DS tough questions part 2; 3. DS tough questions part 3; 4. DS Standard deviation; 5. Inequalities; 6. 700+ GMAT Data Sufficiency Questions With Explanations; 7 Tough and tricky exponents and roots questions; 8 The Discreet Charm of the DS; 9 Devil's Dozen!!!; 10 Number Properties set., 11 New DS set.


What are GMAT Club Tests?
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Re: M21-10 [#permalink]

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New post 16 Nov 2017, 02:17
+1 for B.
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Re: M21-10   [#permalink] 16 Nov 2017, 02:17
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