Pipes and cistern

In 1 minute 3/7 of a basin is filled. Whatever remains of the container can be filled in:

• 2 min

• 4/3 min

• 7/3 min

• none of these

Tags

CCSS.8.EE.C.7B

A pump can fill a tank with water in 2 hours. In light of a break in the tank, it takes 7/3 hours to fill the tank. The hole can discharge the filled tank in:

• 7/3 hrs

• 7 hrs

• 8 hrs

• 14 hrs

Tags

CCSS.HSA.CED.A.1

A funnel can discharge a tank in 40 minutes. A second pipe with distance across twice as much as that of the first is likewise joined with the tank to purge it. The two together can exhaust the tank in:

• 8 min

• 30 min

• 38 min

• 40/3 min

Two funnels can fill a reservoir in 14hrs and 16 hrs. individually. The funnels are opened all the while and it is found that because of spillage in the last, 32 minutes additional are taken for the reservoir to be topped off. In the event that the storage is full, in what time would the release unfilled it?

• 96 hrs

• 102 hrs

• 106 hrs

• 112 hrs

Tags

CCSS.HSA.CED.A.1

A reservoir has three channels A, B and C. A and B can fill it in 3 hrs and 4 hrs. individually while C can exhaust the totally filled reservoir in 1 hours. On the off chance that the funnels are opened all together at 3 pm, 4 pm and 5 pm individually, at what the truth will surface eventually reservoir void?

• 6.15 pm

• 7.12 pm

• 8.12 pm

• 8.35

substantial tanker can be filled by two pipes A and B in an hour and 40 minutes separately. How long will it take to fill the tanker from unfilled state if B is utilized for a fraction of the time and A and B fill it together for the other half?

• 15 min

• 20 min

• 27.5 min

• 30 min

Tags

CCSS.HSA.CED.A.1

A storage has a hole which would exhaust it in 8 hours. A tap is transformed on which concedes 6 liters a moment into the reservoir and it is currently purged in 12 hours. What number of liters does the reservoir hold?

• 7580 ltr

• 8640

• 8290

• 7960

Tags

CCSS.HSA.CED.A.1

Pipes A and B can fill a tank in 10 hours each. A third pipe C empties the tank in 20 hours. If all the three pipes are opened simultaneously, in how much time will the tank be filled?

• 6 hr 30 min

• 6 hr 40 min

• 6 hr 20 min

• 4 hr 40 min

Tags

CCSS.HSA.CED.A.1

Two pipes A and B can fill a water tank in 20 and 24 min respectively. A third pipe C can empty at the rate of 3 gallons per minute. If A, B and C opened together fill the tank in 15 min, the capacity of the tank (in gallons) is:

• 180

• 150

• 120

• 60

Tags

CCSS.HSA.CED.A.1

Three taps A, B and C can fill a tank in 12, 15 and 20 hours respectively. If A is open all the time and B and C are open for 1 hour each alternatively, the tank will be full in -

• 5 hr

• 7 hr

• 6 hr

• 7.5 hr

Tags

CCSS.8.EE.C.7B