Quantitative Aptitude

Data Sufficiency 1 - Discussion Forum

Quantitative Aptitude Discussion Forum

Data Sufficiency 1

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Question 778
Question 778 Back to Exercise

How long will it take to empty the tank if both the inlet pipe A and the outlet pipe B are opened simultaneously?

I. A can fill the tank in 16 minutes.

II. B can empty the full tank in 8 minutes.

A I alone sufficient while II alone not sufficient to answer
B II alone sufficient while I alone not sufficient to answer
C Either I or II alone sufficient to answer
D Both I and II are not sufficient to answer
E Both I and II are necessary to answer Correct
Correct Answer: Option E

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