A fish tank can hold 45 litres of water when filled to the brim. It is `(4)/(9)` filled , if `(2)/(5)` of the water is removed how much more water must be added in order to fill the tank to the brim ?

Options

A. 12 litres
B. 20 litres
C. 33 litres
D. 35 litres

Answer

C