Question 30

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Jambmaths question: 

A cylindrical tank has a capacity of 6160m3. What is the depth of the tank, if the radius of its base is 28m?

Option A: 

5.0m

Option B: 

2.5m

Option C: 

8.0m

Option D: 

7.5m

Jamb Maths Solution: 

$\begin{align}  & \text{Volume of cylinder}=V=\pi {{r}^{2}}h \\ & 6160{{m}^{3}}=\frac{22}{7}\times 28m\times 28m\times h \\ & h=\frac{6160{{m}^{3}}\times 7}{22\times 28m\times 28m}=2.5m \\\end{align}$

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