Pipes & Cisterns



Question (5/28)

Booster pump is used for filling as well as for emptying a tank. The capacity of tank is 2400 m3. The emptying capacity of tank is 10 m3 per minute higher than its filling capacity and the pump needs 8 minutes lesser to empty the tank than it needs to fill it. What is filling capacity of pump in m3/min?

(A)  50


(B)  65


(C)  70


(D)  85


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Question (6/28)

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 & C are open for one hour each alternately, in how much time tank will be filled ?

(A)  7 Hours


(B)  7 Hours 30 Minutes


(C)  8 Hours


(D)  None of these


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