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Standard IX
Mathematics
RS Agarwal
Question
A conical pit of top diameter
3.5
m is
12
m deep. What is its capacity in kilolitres?
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Solution
Verified by Toppr
Given:
r
=
3.5
2
=
1.75
m
,
h
=
12
m
⇒
Volume of cone
=
1
3
π
r
2
h
=
1
3
×
22
7
×
1.75
×
1.75
×
12
=
38.5
m
3
=
38.5
k
l
{
1
k
l
=
1
m
3
}
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