Another one I couldnt lost.....

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smclean23: Master | Next Rank: 500 Posts; Posts: 172; Joined: Mon Jun 23, 2008 12:00 pmFollowed by: 1 member; Thanked: 3 times

by smclean23 » Wed Oct 01, 2008 8:38 pm

((sq rt 9 + (sq rt 80)) + sq rt 9 - (sq rt 80)) ^ 2

1

9 - 4 sq rt 5

18 - 4sq rt 5

18

20

OA is E

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Source: Beat The GMAT — Problem Solving | Wed Oct 01, 2008 8:38 pm

Morgoth: Master | Next Rank: 500 Posts; Posts: 316; Joined: Mon Sep 22, 2008 12:04 amFollowed by: 1 member; Thanked: 36 times

by Morgoth » Wed Oct 01, 2008 8:44 pm

Kindly refer the link for the answer.

https://www.beatthegmat.com/please-help-t9145.html

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