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M21-04

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Joined: 02 Sep 2009
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M21-04 [#permalink]

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New post 16 Sep 2014, 00:10
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A
B
C
D
E

Difficulty:

  5% (low)

Question Stats:

82% (00:45) correct 18% (00:45) wrong based on 99 sessions

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The table below shows the number of members of five pool clubs in 2001 and 2002 respectively:

Image

Which of the clubs experienced the greatest percentage increase in membership from 2001 to 2002?


A. club A
B. club B
C. club C
D. club D
E. club E
[Reveal] Spoiler: OA

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Kudos [?]: 136066 [0], given: 12724

Expert Post
Math Expert
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Joined: 02 Sep 2009
Posts: 42678

Kudos [?]: 136066 [0], given: 12724

Re M21-04 [#permalink]

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New post 16 Sep 2014, 00:10
Official Solution:


The table below shows the number of members of five pool clubs in 2001 and 2002 respectively:

Image

Which of the clubs experienced the greatest percentage increase in membership from 2001 to 2002?


A. club A
B. club B
C. club C
D. club D
E. club E

The absolute increase in membership was 4 for club A, 2 for club B, -5 for club C, 2 for club D, and 3 for club E. To compare the percentage increases we have to compare fractions \(\frac{4}{54}\), \(\frac{2}{62}\), \(-\frac{5}{60}\), \(\frac{2}{48}\), and \(\frac{3}{31}\). \(\frac{3}{31}\) is the largest (\(\frac{3}{31}\) is approximately \(\frac{1}{10} = \frac{4}{40} \gt \frac{4}{54} \gt \frac{2}{48} = \frac{1}{24}\)).

Answer: E
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Resources:
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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: M21-04 [#permalink]

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New post 08 Nov 2017, 02:01
Take the ratio and compare. E wins.
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Kudos [?]: 23 [0], given: 101

Re: M21-04   [#permalink] 08 Nov 2017, 02:01
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