A water drum has a leakage it can empty the tank in 8 hours A tap can fill 5 liters minutes Both tap...........

Quantitative Aptitude (CDS) Pipes&cistern

A water drum has a leakage, it can empty the tank in 8 hours. A tap can fill 5 liters/minutes. Both taps opened together the Drum will be emptied in 12 hours. The capacity of the Drum is?

7200 liters

7000 liters

6500 liters

6000 liters

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Explanation:

Let tap fill the drum in thours
In one hour it fills the 300 liters
12(1/t -1/8)+1=0
1/t -1/8 +1/12=
1/t =1/8 -1/12
=(3-2) /24
T=24
Total capacity is =24×300
=7200 liters