GMAT Quantitative Reasoning Practice Test 3

Question : 81 of 100

Marks: +1, -0

Rain is falling at a rate of 3 centimeters per hour all over Springfield. Somewhere downtown in Springfield a group of pigeons is waiting for the rain to stop. If the rain filled a round puddle the with a base area of 350 square centimeters and a depth of

13.5

centimeters, how long did the pigeons wait for the rain to stop?

3 hours and 12 minutes.
four hours and 30 minutes.
four hours and 45 minutes.
five hours and 10 minutes.
five hours and 30 minutes.

Validate

Solution:

The volume of the puddle is irrelevant since rain fell all over the city. Thus, you should relate to the depth that fell only.

13.5/3 = 4.5

hours of rain.

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