Question

The area of one face of a cubical water tank is 14,400sq.cm. If the tank is full , how many 3 litre bottles can be filled from this?

Answer 1

$let \: \: x \: \: be \: \: the \: \: side \: \: length \: \: of \: tank \\ area \: \: {x}^{2} = 14400 \\ x = 120 \: cm \\ volume = {x}^{3} \\ = 1728000 \: {cm}^{3} = 1728 \: liter \\ number \: of \: bottles \: required \\ = \frac{1728}{3} = 576$