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Gmat paper test question - Ratio

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by tanyajoseph » Wed Sep 19, 2007 2:37 pm
A wildlife preserve is being planned for 3000 rhinoceroses. The preserve is to contain a total of 10,000 acres of watering area, plus 100 acres of grazing area for each rhinoceros. If the no of rhinoceros is expected to increase by 10 percent, how many thousand acres should the preserve have in order to provide for the increased population?
a) 340
b) 330
c) 320
d) 310
e) 300

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Source: — Problem Solving |

by SunSmiles13 » Wed Sep 19, 2007 2:49 pm
The answer should be (a) 340.


1. 100 acres of grazing area is required for each rhinoceros
For 3000 rhinoceroses - it's 300,000 (i.e. 3000 * 100)
For 10% increase - it's 30,000 (i.e. 300 * 100)
Total: 330,000

2. 10,000 acres of watering area

Total: 330,000 + 10,000 = 340,000/1000 = 340.
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by kajcha » Wed Sep 19, 2007 5:41 pm
One more vote for A
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