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Two pipes, A and B, can fill a tank in 12 minutes and 15 minutes, respectively. Both pipes are opened at the same time, but pipe A is closed after 3 m...

Placements Medium Pipes & Cisterns MCQ

Question

Two pipes, A and B, can fill a tank in 12 minutes and 15 minutes, respectively. Both pipes are opened at the same time, but pipe A is closed after 3 minutes. How much additional time will pipe B take to fill the remaining part of the tank?

Options

A.

7 min 15 sec

B.

7 min 45 sec

C.

8 min 5 sec

D.

8 min 15 sec

c.d.s.bank p.o20022006pipes and cisternspeed, work and timetank filling

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