GMAT Quantitative Reasoning Practice Test 7

Question : 72 of 100

Marks: +1, -0

An air-balloon is filled with air, how long will it take to fill it assuming that its volume is 30 meters cubed?
(1) Every minute the pump fills 1 meter cubed and emits one fifth of that amount.
(2) The net airflow to the balloon is 0.8-meter cube per minute.

Statement (1) BY ITSELF is sufficient to answer the question, but statement (2) by itself is not.
Statement (2) BY ITSELF is sufficient to answer the question, but statement (1) by itself is not.
Statements (1) and (2) TAKEN TOGETHER are sufficient to answer the question, even though NEITHER statement BY ITSELF is sufficient.
Either statement BY ITSELF is sufficient to answer the question.
Statements (1) and (2) TAKEN TOGETHER are NOT sufficient to answer the question, requiring more data pertaining to the problem.

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