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Question on proportion : GRE Math Doubts, Quant Questions Discussions

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meera
 Post subject: Question on proportion
PostPosted: Fri May 26, 2006 11:59 am 
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Learning the ABCs

Joined: Thu May 25, 2006 8:34 am
Posts: 7
Fifty gallons of gas is required to travel 600 miles using a 1000 cc engine. If the volume of gas required to cover a distance varies directly as the capacity of the engine, then how many gallons of gas is required to travel 1000 miles using 1500 cc engine?
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nandu
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PostPosted: Sat May 27, 2006 3:07 pm 
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Learning the ABCs

Joined: Thu May 25, 2006 8:46 am
Posts: 9
To travel 1000 miles with the same engine it will take (1000/600)*50 gallons.

1000/12 gallons.

When the engine capacity increases to 1500cc from 1000cc, 1.5 times more gas will be required.

or 1500/12 gallons = 125 gallons.
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