Ramesh has three containers.

A) Cylindrical container A having radius r and height h

B) cylindrical container B having radius 2r and height 1/2 h, and

C) cuboidal container C having dimensions r r r

The arrangements of the containers in the increasing order of their volume is

(i)The volume of the cylindrical container having radius r and height h = πr²h

(ii)The volume of the cylinder container with radius 2r and height

= π (2r)² × × h = 2πr²h

(iii)The volume of the cuboidal container having dimension

= r² h

From parts i ,ii and iii ,we have the following order C,A,B.