Hey..!!

If both the pipes are opened together after how many minutes should pipe B be closed, so that the tank is filled in 30 minutes

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

There are 12 pipes attached to atank.

Some of them are fill

Some of them are fill

Pipe A can fill a tank in 16 minutes and pipe B cam empty it

Two pipes can fill a tank in 18 minutes and 15minutes.

An o

An o

A tank is filled by three pipes with uniformflow.

The first

The first

Two pipes can separately fill a tank in 20 and 30 hours resp

Three pipes A, B and C can fill a tank from empty to full in

Three pipes A, B and C can fill a tank from empty to full in

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