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15 Apr 2007, 08:39
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Hi guys ,
Please help me with the following DS question frm GMAT prep
The ratio of women to children = 5/2 . what is the number of men .
(1) number of children to number of men = 5/11
(2) Number of women < 30 .
I couldnt do it correctly. Tell me your opinion.
Thanks
Please help me with the following DS question frm GMAT prep
The ratio of women to children = 5/2 . what is the number of men .
(1) number of children to number of men = 5/11
(2) Number of women < 30 .
I couldnt do it correctly. Tell me your opinion.
Thanks
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Data Sufficiency (DS) Forum
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15 Apr 2007, 09:38
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vc_pec
Let C= no. of childrens M=no of mens and W= no of womens
From statement 1 we have C=5/11 *M. Insufficient
From statement 2 we have w<30 . Insufficient.
Taking statements 1 and 2 together we have C=5/11 * M and W<30. And form the question we have C=2/5 *W.
Okay now lets find all the possible values of W. Now as C=2/5*W we can not have W=28 or 26 or any number that is not multiple of 5. Therefore all the possible values of W are 5,10,15,20 and 25.
Similarly lets find all the values of C. The possible values of C considering the possible values of W are 2,4,6,8 and 10. Okay so far so good.
Now as M= 11/5*C,C must be a multiple of 5. The only value of C that is multiple of 5 is C=10. So putting this value in M=11/5 * C we have the value of M = 22. Thus the answere is C.
Javed
Cheers!
15 Apr 2007, 09:43
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awesome . I think this must be one of the very trick questions in GMAT. I am already scoring 49 in Gmatprep with most of the errors in DS. Are the question in DS 1000 close to the real Gmat thing?
Please advice
Please advice
Archived Topic
Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Data Sufficiency (DS) Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
