Câu 118: GMAT Section 2: Quantitative

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?

1. A. 3 hours and 12 minutes.
2. B. four hours and 30 minutes. — đáp án hiện tại
3. C. four hours and 45 minutes.
4. D. five hours and 10 minutes.
5. E. five hours and 30 minutes.