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

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ICSE Board Question Based on Mensuration Chapter of M.L Aggarwal for class10
In this question you have to find the capacity of a conical pit in kiloliters for that its top diameter and depth is given.
This is the Question Number 07, Exercise 17.2 of M.L Aggarwal.

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1 Answer

  1. Given diameter, d = 3.5 m

    So radius, r = 3.5/2 = 1.75

    Depth, h = 12 m

    Volume of the cone = (1/3)r2h

    =(1/3)×(22/7)×1.752×12

    = (22/7)× 1.752×4

    = 38.5 m3

    = 38.5 kilolitres [1 kilolitre = 1m3]

    Hence the volume of the conical pit is 38.5 kilolitres.

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