A water tap fills at the rate of 25 litre per minute into a water tank another water tap can fill water in the same tank at the rate of 15 litres per minute if both the water taps are opened,then the water tank is filled in 15 minutes.Find the volume of the water tank.
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in one min, 15 litres + 25 litres will be filled in the tank. that makes it 40 litres
in 15 mins 40×15 litres will be filled. volume of tank= 600 litres
in 15 mins 40×15 litres will be filled. volume of tank= 600 litres
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