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September 4, 2015

Homework Help: math

Posted by shweta on Tuesday, May 31, 2011 at 12:52am.

10 girls have their average age 14 year and 12 boys have their average age as 16 years . when 6 boys from these 12 join tha 10 girls,they all together have average age as 14.5 year .what is tha average age of tha remaining 6 boys.

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