Pipes and Cisterns - Data Intensity 1 | Multiple Questions and Answers

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Pipes and Cisterns - Data Intensity 1 Multiple Questions and Answers.

31.	Two pipes can fill a tank in 18 minutes and 15 minutes. An outlet pipe can empty the tank in 45 minutes. If all the pipes are opened when the tank is empty, then how many minutes will it take to fill the tank?

	A.	12
	B.	13
	C.	11
	D.	10

32.	Three pipes of same capacity can fill a tank in 8 hours. If there are only two pipes of same capacity, the tank can be filled in___?

	A.	17 hours
	B.	12 hours
	C.	16 hours
	D.	24 hours

33.	A cistern has three pipes, A, B and The pipes A and B can fill it in 4 and 5 hours respectively and C can empty it in 2 hours. If the pipes are opened in order at 1, 2 and 3 A.M. When will the cistern be empty?

	A.	3:00 PM
	B.	7:00 PM
	C.	4:00 PM
	D.	5:00 PM

34.	Pipes A and B can fill a cistern in 8 and 24 minutes respectively. They are opened an alternate minutes. Find how many minutes, the cistern shall be full?

	A.	6 min
	B.	12 min
	C.	19 min
	D.	10 min

35.	A pipe can fill a cistern in 20 minutes whereas the cistern when fill can be emptied by a leak in 28 minutes. When both pipes are opened, find when the cistern will be full?

	A.	60 min
	B.	80 min
	C.	70 min
	D.	48 min

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