Question

A rectangular tank 30 cm x 20 cm x 12cm
contains water to a depth of 6 cm
metal cube of side 10 cm is placed in the
tank with its one face resting on the bottom
of the tank. Find the volume of water, in
litres, that must be poured in the tank so
that the metal cube is just submerged in the
water.​

Answer 1

So it contains water up to 6cm and cube has height of 10cm
10-6=4
30*20*4=2400