800
Since we do not know the time taken to fill the tank or the capacities of the taps or the desired ratio of hot and cold water distribution, hence it is not possible to determine the volume of the tank.
So, the correct option is (D): Connot be determined.
From one face of a solid cube of side 14 cm, the largest possible cone is carved out. Find the volume and surface area of the remaining solid.
Use $\pi = \dfrac{22}{7}, \sqrt{5} = 2.2$