A tank can be filled separately by two taps A and B in 45 minutes and 36 minutes respectively. A tap C at the bottom can empty the full cistern in 30 minutes.If the tap C is opened 7 minutes after the

A tank can be filled separately by two taps A and B in 45 minutes a

1.	A tank can be filled separately by two taps A and B in 45 minutes and 36 minutes respectively. A tap C at the bottom can empty the full cistern in 30 minutes.If the tap C is opened 7 minutes after the
A.	46mints
B.	25mints
C.	14mints
D.	None of these
Answer» B. 25mints

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A tank can be filled separately by two taps A and B in 45 minutes and 36 minutes respectively. A tap C at the bottom can empty the full cistern in 30 minutes.If the tap C is opened 7 minutes after the

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