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Finding, however, that the waste pipe has been open he now closes it. In 4 min more, bath isfull.

In what time would be the waste pipe empty it

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A bath can be filled by the cold water pipe in 10 min and by

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

There are 12 pipes attached to atank.

Some of them are fill

Some of them are fill

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

Two pipes A and B can fill a tank in 24 hours and 1717 hou

A tank is filled by three pipes with uniformflow.

The first

The first

A tank is filled by three pipes with uniformflow.

The first

The first

A tank is filled by three pipes with uniformflow.

The first

The first

An empty swimming pool can be filled to capacity through an