Question

What capacity of the larger one?

Answer 1

hint:
$\bf \textit{volume of a cylinder}\\\\ V=\pi r^2 h\qquad \begin{cases} r=radius\\ h=height\\ --------\\ \textit{double the "h"}\\ h=2h \end{cases}\implies \begin{array}{llll} V=\pi r^2 (2h)\\\\ V=2\pi r^2 h\\\\ V=2(\pi r^2 h) \end{array}$