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f2001290
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 Posted: Tue Jun 12, 2007 1:42 pm Post subject: PS - Mathe Set 24 |
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The sides of a square region, measured to the
nearest centimeter, are 6 centimeters long. The
least possible value of the actual area of the
square region is
A.36.00 sq cm
B.35.00 sq cm
C.33.75 sq cm
D.30.25 sq cm
E.25.00 sq cm
I chose D,but the answer turned out to be C. Any explanation. |
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Sadowski
Rising GMAT Star
Joined: 27 Apr 2007
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Location: Durham, NC
Test Date: 6/28/07
Target GMAT Score: 730
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| Posted: Tue Jun 12, 2007 2:37 pm Post subject: |
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Why wouldn't the answer be 25.00? If the sides are rounded to 6 centimeters, then the sides have to be between 5.5 and 6.4. To get 25, the sides would have to be 5 exactly, which doesn't fall in the rounding range.
Since 5.5*5.5 = 30.25, anything at 30.25 and above up to 36 should be possible given the conditions.
Anyone else agree? |
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