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Basic Maths Data Intensity 4 :: Discussion

3.	A tap can fill a tank in 32 min. and another can empty it in 16 min. If the tank is already half full and both the tanks are opened together, the tank will be ?
	A.	12 min
	B.	14 min
	C.	16 min
	D.	18 min

	Answer: Option C


	Explanation:
	In this problem, rate of water pipe (waste) is more, the tank will be emptied when the pipes are opened. Work done in total emptying in 1 min. =1/16−1/32=1/32 Now, full tank will be emptied by them in 32 minutes. Half full tank will be emptied in 16 minutes.



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Published by:Michael Daani

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