One fill pipe A is 3 times faster than second fill pipe B and takes 32 min less than the fill pipe B...........

Quantitative Aptitude ( CCS) Pipes&cistern

One fill pipe A is 3 times faster than second fill pipe B and takes 32 min less than the fill pipe B. When will the cistern be full if both pipes are opened together?

12 min

24 min

30 min

Data Inadequate

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Explanation:

Explanation:
Let the pipe B fill the tank in 3x min.
Therefore the pipe A will be filled in x min.
3x-x=32
x= 16 min.
A take 16 min to fill and B takes 48 min to fill the tank.
Let tank be of volume 96 units.
A fills 6 units /min and B fills 2 units/min.
Total = 8 units/min.
A+B can fill the tank in 96/8 = 12 min.
Correct option is (a)