Each question is followed by two statements, A and B. Choose the option based on the given statements and questions

Question 155

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.


Using statement 1, we come to know that if the inner radius is r, then the outer radius is r+1

Using statement 2, Volume = 20 l = 20000$$cm^3$$

$$\frac{4}{3} \pi (r+1)^3-r^3$$ = 20000

We can calculate r using this equation.

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