sayantanc2k wrote:
kaustavdeb25 wrote:
Please explain the underlying assumption along with the pre-thinking that needs to be done here along with the answer POE.
The post below explains the question in detail:
http://gmatclub.com/forum/2016-og-in-an ... l#p1556835
After reading this post, if you still have specifc queries, please post again.
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