You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Other

Quantitative Aptitude

Inversely Proportional

Two pipes P a...

Question

Two pipes P and Q can fill a tank 8 hours. If only pipe P is open then it would take 4 hours longer to fill the tank. Find how much longer would it take if only pipe Q is open.

16 hrs

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

12 hrs

No worries! We‘ve got your back. Try BYJU‘S free classes today!

10 hrs

No worries! We‘ve got your back. Try BYJU‘S free classes today!

8 hrs

No worries! We‘ve got your back. Try BYJU‘S free classes today!

None of these

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A 16 hrs
$P = 8 + 4 = 12 P + Q = \frac{1}{8} Q = \frac{1}{8} - \frac{1}{12} = \frac{3 - 2}{24} = \frac{1}{24} Q = 24 Q a l o n e = 24 - 8 = 16$

Suggest Corrections

Similar questions

Q. A water tank has two pipes to fill it. Pipe A can fill the tank in

2

hours , only if tank is empty. Pipe B can empty the tank in

3

hours, only if tank is full. If both the pipes start at the same time when the task is empty, calculate the number of hours will it take for the tank to be filled to

60 %

of its capacity?

Q. Pipe A takes

\frac{3}{4}

of the times required by pipe B to fill the empty tank individually. When an outlet pipe C is also opened simultaneously with pipe A and pipe B, it takes

\frac{3}{4}

more time to fill the empty tank than it takes, when only pipe A and pipe B are opened together, If it takes to fill 33 hours when all the three pipes are opened simultaneously, then in what time pipe C can empty the full tank operating alone?

Q. Pipes

A

and

B

can fill a tank in

5

hours and

6

hours respectively. Another pipe

C

can empty the tank in

12

hours. If all the three pipes are opened together, how much time will it take to fill the tank?

Q. Pipe A can fill a cistern in 6 hours and pipe B can fill it in 8 hours. Both the pipes are opened and after two hours, pipe A is closed. How much time will B take to fill the remaining part of the tank?

A tank has an inlet pipe and an outlet pipe. If the outlet pipe is closed then the inlet pipe fills the empty tank in 8 hours. If the outlet pipe is open then the inlet pipe fills the empty tank in 10 hours. If only outlet pipe is open then in how many hours the full tank becomes half-full?

Join BYJU'S Learning Program

Two pipes P and Q can fill a tank 8 hours. If only pipe P is open then it would take 4 hours longer to fill the tank. Find how much longer would it take if only pipe Q is open.

The correct option is A 16 hrsP=8+4=12P+Q=18Q=18−112=3−224=124Q=24Q alone=24−8=16

The correct option is A 16 hrs
$P = 8 + 4 = 12 P + Q = \frac{1}{8} Q = \frac{1}{8} - \frac{1}{12} = \frac{3 - 2}{24} = \frac{1}{24} Q = 24 Q a l o n e = 24 - 8 = 16$