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25 May 2008, 20:36
Kudos
Bookmarks
how about this one??
the ratio of women to children is 5:2, children to men is 5:11 so if we combine the ratios isnt it
12.5:5:11 = women:children:men
given both 1 and 2 number of women could be 12.5 or 25 which makes men either 11 or 22??
the ratio of women to children is 5:2, children to men is 5:11 so if we combine the ratios isnt it
12.5:5:11 = women:children:men
given both 1 and 2 number of women could be 12.5 or 25 which makes men either 11 or 22??
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25 May 2008, 21:33
Kudos
Bookmarks
Here we go!
Women = W; Child = C; Men = M.
W:C 5:2 C:M 5:11
1/ alone and 2/ alone are clearly not sufficient.
Now, let's combine the ratios by first creating a bridge between the two ratios; 10 will be the bridge.
We'll change the ratios to equivalent ratios.
W:C 25:10 but also C:M 10: 22
so W:M 25:22
Since the number of women must be less than 30, W must be equal to 25. No decimal (like 13.5: 11) allowed here!
So the number of men must be 22.
The correct answer is C
regards,
Women = W; Child = C; Men = M.
W:C 5:2 C:M 5:11
1/ alone and 2/ alone are clearly not sufficient.
Now, let's combine the ratios by first creating a bridge between the two ratios; 10 will be the bridge.
We'll change the ratios to equivalent ratios.
W:C 25:10 but also C:M 10: 22
so W:M 25:22
Since the number of women must be less than 30, W must be equal to 25. No decimal (like 13.5: 11) allowed here!
So the number of men must be 22.
The correct answer is C
regards,
Quote:
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 Quantitative Questions 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!
