Question

14. Two pipes A and B can separately
fill a cistern in 15 minutes and
18 minutes respectively, while a
third pipe C can empty it in 6
minutes. Two pipes A and B are
kept open for 6 minutes in the
beginning and then the third pipe
is also opened. In what time will
the cistern be emptied?
A)16 1/2 min B)15 min C)15 1/2 min D)16 min​

Answer 1

Step-by-step explanation:

6േേചേയതചഡൊമ-ോൊദേൊൊേോേൊേൊൊദദ