Pipes A and B can fill a tank in 5 and 6 hours respectively . Pipe C can empty it in 12 hours . If all the three pipes are opened together, then how many hours the tank will be filled ? Options: A . &nbsp \(7\frac{1}{2}\) hr. B . &nbsp \(2\frac{8}{11}\) hr. C . &nbsp \(3\frac{9}{17}\) hr. D . &nbspnone of these

Pipes A and B can fill a tank in 5 and 6 hours respectively . Pipe C can empt

Question

Pipes A and B can fill a tank in 5 and 6 hours respectively . Pipe C can empty it in 12 hours . If all the three pipes are opened together, then how many hours the tank will be filled ?

Options:

A . \(7\frac{1}{2}\) hr.

B . \(2\frac{8}{11}\) hr.

C . \(3\frac{9}{17}\) hr.

D . none of these

Answer: Option C

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Question 1. A pump can fill a tank with water in 2 hours . Because of a leak , it took \(2\frac{1}{3}\) hours to fill the t....leak can drain all the water of the tank .

Question 2. Two pipes A and B together can fill a cistern in 4 hours. Had the been opened separately , then B would have taken 6 ....taken by A to fill the cistern separately ?

Question 3. One pipe can fill a tank three times as fast as another pipe . If together the two pipes can fill the tank in 3....pipe alone will be able to fill the tank .

Question 4. A tank is filled in 5 hours by three pipes A ,B and C . The pipe C is twice as fast as B and B is twice as fast as A ....will pipe A alone take to fill the tank ?

Question 5. Two pipe s A and B can fill a tank in 10 minutes and 15 minutes respectively . If both the tape are opened simulta....take to fill the tank by tape B ?

Question 6. Two pipe s A and B can fill a tank in 10 hours and 20 hours respectively . While a third pipe C ....how much time , will the tank be full ?

Question 7. Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes, and 10 minutes respectively. When t....R in the liquid in the tank after 3 minutes?

Question 8. Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are....are opened together, then the tank will be filled in:

Question 9. A pump can fill a tank with water in 2 hours. Because of a leak, it took 2 \(\frac{1}{3}\) hours to fill the tank. ....leak can drain all the water of the tank in:

Question 10. Two pipes A and B can fill a cistern in 37 \(\frac{1}{2}\) minutes and 45 minutes respectively. Both pipes are open....half an hour, if the B is turned off after:

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