Question

Water tank is being emptied in such a way that the rate at which water is flowing is proportional to the amount left in at instant. If half the water flows out in 7 minutes. Initially the tank is filled with 8000 litre of water. Find the amount of water left after 21 minutes.

Answer 1

Answer:

Volume of water tank = 5m²

We know 1m³

=1000L

then,

volume of water tank in liter = 5000 L.

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