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[Data Sufficiency]
试题详情
题目：
Water is pumped into a partially filled tank at a constant rate through an inlet pipe. At the same time, water is pumped out of the tank at a constant rate through an outlet pipe. At what rate, in gallons per minute, is the amount of water in the tank increasing?
(1)The amount of water initially in the tank is 200 gallons.
(2)Water is pumped into the tank at a rate of 10 gallons per minute and out of the tank at a rate of 10 gallons every
minutes.
(1)The amount of water initially in the tank is 200 gallons.
(2)Water is pumped into the tank at a rate of 10 gallons per minute and out of the tank at a rate of 10 gallons every
minutes.选项:
A、Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B、Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C、BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D、EACH statement ALONE is sufficient.
E、Statements (1) and (2) TOGETHER are NOT sufficient.
答案:
B
提问：
解释下第二选项，为什么会出现4gallon
解答：
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阅读1105
提问：
解释下第二选项，为什么会出现4gallon
解答：
点赞0
阅读1106
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