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# A box contains ball of various colors Red, Blue, Green, and

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Manager
Joined: 27 Jul 2003
Posts: 122
Location: Singapore
A box contains ball of various colors Red, Blue, Green, and [#permalink]

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21 Oct 2003, 04:20
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A box contains ball of various colors Red, Blue, Green, and Yellow in the following ratio 6:5:2:2. How many red balls are there?
a. Red balls are 2 more than blue balls
b. Total number of balls in the box is 30.
SVP
Joined: 03 Feb 2003
Posts: 1604

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21 Oct 2003, 04:36
I have got an answer but decided to withhold it from posting.
CEO
Joined: 15 Aug 2003
Posts: 3454

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21 Oct 2003, 09:46
Ans is D

agree with D

A
The only way the ratio holds is when red is 12 and blue is 10.

B
clearly sufficient.

D
SVP
Joined: 30 Oct 2003
Posts: 1790
Location: NewJersey USA

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26 Dec 2003, 15:31
R/B = 6/5

First condition is sufficient ( Everyone agreed )

From second condition
R/(R-2) = 6/5
5R = 6R-12 hence R = 12

So either of the conditons are sufficient.
Director
Joined: 14 Oct 2003
Posts: 583
Location: On Vacation at My Crawford, Texas Ranch

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26 Dec 2003, 16:12
D!!!!!!!!

1) Sufficient

2) Sufficient

My will to study more GMAT material tonight - Insufficient.
26 Dec 2003, 16:12
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# A box contains ball of various colors Red, Blue, Green, and

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