# Problem Solving :: If m and n are positive integers, each of the following...

Published: 6/12/2017
Source: WWW.BEATTHEGMAT.COM

### Author: LUANDATO Subject: If m and n are positive integers, each of the following... Posted: Wed Dec 06, 2017 10:41 am (GMT -8) If m and n are positive integers, each of the following could be equivalent to, $$\sqrt{800mn}\ Except.$$ $$A.\ \ 80\sqrt{m}$$ $$B.\ \ 40\sqrt{10m}$$ $$C.\ \ 40m\sqrt{5}$$ $$D.\ \ 20\sqrt{5m}$$ $$E.\ \ 20\sqrt{2m}$$ The OA is D . I'm really confused with

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