operation defined

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bhumika.k.shah: Legendary Member; Posts: 941; Joined: Sun Dec 27, 2009 12:28 amFollowed by: 1 member; Thanked: 20 times

by bhumika.k.shah » Fri Jan 22, 2010 12:50 pm

OA D

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operation.docx: (33.09 KiB) Downloaded 95 times

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Source: Beat The GMAT — Problem Solving | Fri Jan 22, 2010 12:50 pm

itsratul: Junior | Next Rank: 30 Posts; Posts: 19; Joined: Wed Jan 20, 2010 4:32 pmFollowed by: 1 member; Location: Virginia

by itsratul » Fri Jan 22, 2010 1:59 pm

3 o 5 = 5 o 4

or, (3-y)/(3+y) = (5-4)/(5+4)
or, 10y=24
Ans y = 12/5

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bhumika.k.shah: Legendary Member; Posts: 941; Joined: Sun Dec 27, 2009 12:28 amFollowed by: 1 member; Thanked: 20 times

by bhumika.k.shah » Fri Jan 22, 2010 10:09 pm

yup did it the same way

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