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This problem absolutely pissed me off. I can tell you I [#permalink]
15 Jul 2003, 19:16

This problem absolutely pissed me off. I can tell you I logically tried everything and you know what a computer test doesn't tell you that this is an end of section problem.

A pilot surveys a flat circular area represented by 4 pi square inches on a map. If one inch on the map represents 60 miles, how many square miles does the pilot survey?

I heard that approximation of 3 for 'pi' is enough for GMAT. Therefore, 'a pilot surveys a flat circular area represented by 4 pi square inches on a map' can be translated as he surveys 12 sq inches.

Draw a 3 by 4 ractangular for clarity. Now, if 1 inch = 60 miles, 3=180 and 4=240. Multiplying one side of a ractangular by another will give us its area. Thus, the answer is 43,200 sq. ml