Question

Tick (✓) the correct answer:
If the capacity of a cylindrical tank is 1848 m³ and the diameter of its base is 14 m, the depth of the tank is
(a) 8 m
(b) 12 m
(c) 16 m
(d) 18 m

Answer 1

(b) 12 m

Diameter = 14 m
Radius = 7 m
Volume = 1848 m³

$$\begin{gathered} \mathrm{Now},\mathrm{volume}={\mathrm{\pi r}}^2\mathrm{h}=\frac{22}{7}\times 7\times 7\times \mathrm{h}=1848{\mathrm{m}}^3 \\ \therefore \mathrm{h}=\frac{1848}{22\times 7}=12\mathrm{m} \end{gathered}$$