Question:
The diameter of the base of a cylinder is 6 cm and its height is 14 cm. The volume of the cylinder is
(a) 198 cm3
(b) 396 cm3
(c) 495 cm3
(d) 297 cm3
Solution:
(b) $396 \mathrm{~cm}^{3}$
Volume of the cylinder $=\pi r^{2} h$
$=\frac{22}{7} \times 3^{2} \times 14$
$=22 \times 9 \times 2$
$=396 \mathrm{~cm}^{3}$
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