A small storage tank is spherical in shape. What is the storage volume of the tank?

A. The wall thickness of the tank is 1 cm.

B. When the empty spherical tank is immersed in a large tank filled with water,20 litres of water overflow from the large tank.

A

The question can be answered by using one of the statements alone, but cannot be answered using the other statement alone.

B

The question can be answered by using either statement alone.

C

The question can be answered by using both statements together, but cannot be answered using either statement alone.

D

The question cannot be answered even by using both statements together.