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A conical pit of top diameter 3.5 m is 12 m deep. What is its capacity in kiloliters ?

Answer:

**Solution:**

Consider a cone with a height of "h" and a circular base with radius "r." This cone's volume will be equal to one-third of the base's area multiplied by its height.

Given diameter, d = 3.5 m

So radius, r = 3.5/2 = 1.75

Depth, h = 12 m

Volume of the cone = (1/3)π r^{2}h

=(1/3)×(22/7)×1.75^{2}×12

= (22/7)× 1.75^{2}×4

= 38.5 m^{3}

= 38.5 kilolitres [1 kilolitre = 1m^{3}]

**Hence the volume of the conical pit is 38.5 kilolitres.**

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