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A cistern 6 m long and 4 m wide contains water up to a bread

A cistern is filled by a tap in 3 1/2hours.

Due to leak in

Due to leak in

A cistern 6m long and 4 m wide contains water up to a depth

Two pipes A and B can separately fill a cistern in 10 and 15

Two pipes A and B can separately fill a cistern in 10 and 15

Two pipes A and B can separately fill a cistern in 60 min an

A cistern has a leak which would empty the cistern in 20 min

One top can fill a cistern in 2 hours and another can empty

One tap can fill a cistern in 2 hours and another tap can em

A pipe can fill a cistern in 20 minutes whereas the cistern