Ratio Problem

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keeyu2: Junior | Next Rank: 30 Posts; Posts: 16; Joined: Mon Mar 09, 2009 10:56 am

by keeyu2 » Sat May 09, 2009 10:21 am

The ratio of two quantities is 3 to 4. If each of the quantities is increased by 5, what is the ratio of these two new quantities?
A.3/4
b.8/9
c.18/19
d.23/24
e. It cannot be determined from the information givien.

Answer : E I picked A.

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Source: Beat The GMAT — Problem Solving | Sat May 09, 2009 10:21 am

chetanojha: Master | Next Rank: 500 Posts; Posts: 125; Joined: Sun Sep 16, 2007 1:38 pm; Thanked: 6 times

Re: Ratio Problem

by chetanojha » Sat May 09, 2009 12:53 pm

Ater increase the new quantity should be equal to something.
(3x+5)/(4x+5)=Y
But since that 'something' i.e Y is not given, you cannot find the x and hence the new ratio.

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