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alcohol in

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alcohol in

by sanju09 » Sat Jul 24, 2010 3:19 am
6 pints of a 20 percent solution of alcohol in water are mixed with 4 pints of a 10 percent alcohol in water solution. The percentage alcohol in the new solution is
A. 16
B. 15
C. 14
D. 13
E. 12

[spoiler]Source: majortests.com[/spoiler]
The mind is everything. What you think you become. -Lord Buddha



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by selango » Sat Jul 24, 2010 3:54 am
Soln 1

A:W=20:80

6 pints =120:480

Soln 2

A:W=10:90

4 pints =40:360

Soln1 and Soln2

A:W=160:840=4:21

% of Alcohol=4/25*100=16

16%

Pick A

Pl correct me If I am wrong.
--Anand--
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by sanju09 » Sat Jul 24, 2010 3:58 am
selango wrote:Soln 1

A:W=20:80

6 pints =120:480

Soln 2

A:W=10:90

4 pints =40:360

Soln1 and Soln2

A:W=160:840=4:21

% of Alcohol=4/25*100=16

16%

Pick A

Pl correct me If I am wrong.
seems nice work
The mind is everything. What you think you become. -Lord Buddha



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by singhpreet1 » Sat Jul 24, 2010 4:03 am
sanju09 wrote:6 pints of a 20 percent solution of alcohol in water are mixed with 4 pints of a 10 percent alcohol in water solution. The percentage alcohol in the new solution is
A. 16
B. 15
C. 14
D. 13
E. 12

[spoiler]Source: majortests.com[/spoiler]

i feel its A16.

Preet
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by sanju09 » Sat Jul 24, 2010 4:06 am
singhpreet1 wrote:
sanju09 wrote:6 pints of a 20 percent solution of alcohol in water are mixed with 4 pints of a 10 percent alcohol in water solution. The percentage alcohol in the new solution is
A. 16
B. 15
C. 14
D. 13
E. 12

[spoiler]Source: majortests.com[/spoiler]

i feel its A16.

Preet
nice feelings
The mind is everything. What you think you become. -Lord Buddha



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The Princeton Review - Manya Abroad
Lucknow-226001

www.manyagroup.com
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