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Quantitative Aptitude

Time & Work

What is the r...

Question

What is the respective ratio between the total number of members in health club C in 2007 and 2009 together and that in health club E in the same years together?

A

17:23

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B

19:23

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C

19:21

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D

21:23

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E

17:21

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Solution

The correct option is A 17:23
$R e q u i r e d R a t i o = \frac{M e m b e r s o f C i n 2007 a n d 2009}{M e m b e r s o f E i n 2007 a n d 2009} \frac{116 + 139}{127 + 218} = \frac{255}{345} = \frac{17}{23} = 17 : 23$

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