B. B, C, A

C. C, A, B

D. cannot be arranged

(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.