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Re: Club X and Club Y Members [#permalink]
15 Dec 2009, 21:01

2

This post received KUDOS

its c let no. of members of club x=x therefore s1) no. of member of club x who are member of y also=.2x not suff. as no other information abt y is given s 2) no. of members of y=y----> bth=.3y

combining .3y=.2x---->y=2x/3 hence x> Y

hence C

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Re: Club X and Club Y Members [#permalink]
12 Jan 2010, 10:12

1

This post received KUDOS

Hi

the above mentioned is very true.

Just for general questions.. always follow simpler approach initially, this might take u little long but will always assure you correct result.With practice this can be solved very quickly.

X ∩ Y = b

X U Y' = a

X' U Y = c

Now with the given values...find a b c....and desired result can be found very easily.

Re: Club X and Club Y Members [#permalink]
19 Jan 2010, 10:56

The # of people who are in both X and Y should be the same in (1) and (2). Since we know that these people represent a smaller % of the overall number of X members, the total number of people in X must be greater than the number of people in Y. Since we need both (1) and (2) to solve the problem, C is the answer.

Re: Club X and Club Y Members [#permalink]
04 Sep 2013, 05:45

gurpreetsingh wrote:

Hi

the above mentioned is very true.

Just for general questions.. always follow simpler approach initially, this might take u little long but will always assure you correct result.With practice this can be solved very quickly.

X ∩ Y = b

X U Y' = a

X' U Y = c

Now with the given values...find a b c....and desired result can be found very easily.

Sir, how we are supposed to find values of X and Y by this method?

Re: Club X and Club Y Members [#permalink]
04 Sep 2013, 06:45

Expert's post

ishdeep18 wrote:

gurpreetsingh wrote:

Hi

the above mentioned is very true.

Just for general questions.. always follow simpler approach initially, this might take u little long but will always assure you correct result.With practice this can be solved very quickly.

X ∩ Y = b

X U Y' = a

X' U Y = c

Now with the given values...find a b c....and desired result can be found very easily.

Sir, how we are supposed to find values of X and Y by this method?

We are not asked to find the # of members. The question asks: is the number of members of Club X greater than the number of members of Club Y ?