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

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A box contains ball of various colors Red, Blue, Green, and [#permalink] New post 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.
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 [#permalink] New post 21 Oct 2003, 04:36
I have got an answer but decided to withhold it from posting.
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 [#permalink] New post 21 Oct 2003, 09:46
Adhi wrote:
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
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 [#permalink] New post 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.
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 [#permalink] New post 26 Dec 2003, 16:12
D!!!!!!!!

1) Sufficient

2) Sufficient

My will to study more GMAT material tonight - Insufficient.
  [#permalink] 26 Dec 2003, 16:12
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