Average weight of men and women

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by ehsansystem » Sat Aug 18, 2012 11:48 pm
Absolutely B

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by Brent@GMATPrepNow » Sun Aug 19, 2012 7:00 am
If anyone is interested, we have a free and comprehensive video on the topic of weighted averages: https://www.gmatprepnow.com/module/gmat- ... ics?id=805

Cheers,
Brent
Brent Hanneson - Creator of GMATPrepNow.com
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by mparakala » Wed Nov 07, 2012 7:36 am
avg
Ans:

thank you for posting :)
Thanks to all the experts for providing comprehensible answers!

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by MDinga » Thu Nov 22, 2012 12:30 am
The answer here is obviously B

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by rajeshsinghgmat » Thu Jan 31, 2013 12:06 am
Let it B.

(120*x+150*(2x))/(x+2x)

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by aks9389 » Wed Mar 13, 2013 1:36 am
B is the correct answer and can be arrived by the principle of weighted average.

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by rajmohantc » Sun Apr 27, 2014 12:39 pm
my first answer was C, you need both options but you only need B. :-(

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by Nijo » Fri Jul 04, 2014 1:09 am
The answer is B
If you take number of men to be y and number of women to be x, then y=2x
In calculating the average, x cancels out and we can solve to get the answer

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by jaspreetsra » Sun Oct 12, 2014 6:17 pm
C-weighted average

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by nikhilgmat31 » Thu Jul 09, 2015 12:00 am
gotcha ... Perfect DS Question for weighted average.


Answer is B