A cylindrical tank can hold $11$ kL of water. If its radius is $1$ m, find its height. (Use…

A cylindrical tank can hold $11$ kL of water. If its radius is $1$ m, find its height. (Use $\pi=\dfrac{22}{7}$.)
  1. $3.5$ m
  2. $7$ m
  3. $11$ m
  4. $2$ m

Solution

$11$ kL $= 11 \text{ m}^{3}$. $\pi r^{2} h = 11 \Rightarrow \dfrac{22}{7} \times 1 \times h = 11 \Rightarrow h = \dfrac{7}{2} = 3.5$ m.

Asked in: IMO

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