In a mixture of 45 litres the ratio of milk to water : GMAT Problem Solving (PS)
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# In a mixture of 45 litres the ratio of milk to water

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Intern
Joined: 25 Jan 2013
Posts: 24
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Kudos [?]: 42 [0], given: 11

In a mixture of 45 litres the ratio of milk to water [#permalink]

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21 Feb 2013, 07:00
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5% (low)

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83% (02:09) correct 17% (00:39) wrong based on 69 sessions

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In a mixture of 45 litres the ratio of milk to water is 4:1. Additional 15 litres of water is added to the mixture. Find the ratio of milk to water in the resulting mixture.

A. 2/1
B. 4/1
C. 2/3
D. 3/4
E. 3/2
[Reveal] Spoiler: OA
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Posts: 37059
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Kudos [?]: 96250 [1] , given: 10728

Re: In a mixture of 45 litres the ratio of milk to water [#permalink]

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21 Feb 2013, 07:05
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Expert's post
antoxavier wrote:
In a mixture of 45 litres the ratio of milk to water is 4:1. Additional 15 litres of water is added to the mixture. Find the ratio of milk to water in the resulting mixture.

A. 2/1
B. 4/1
C. 2/3
D. 3/4
E. 3/2

Given that Milk/Water=4x/x and 4x+x=45 --> x=9.

Thus Milk=4x=36 liters and Water=x=9 liters.

New ratio = 36/(9+15) = 36/24 = 3/2.

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Re: In a mixture of 45 litres the ratio of milk to water   [#permalink] 21 Feb 2013, 07:05
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