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RRB Paramedical Staff Nurse Model Paper 10
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© examsnet.com
Question : 43
Total: 100
A Right circular cone is cut into three solid parts of volume
v
1
,
v
2
,
v
3
and whose two heights are parallel to its root base and the height is also divided into three equal parts, then
v
1
:
v
2
:
v
3
is:-
1 : 2 : 3
1 : 4 : 6
1 : 6 : 9
1 : 7 : 19
Validate
Solution:
Ratio of volume
1
3
π
r
2
h
:
1
3
π
(
2
r
)
2
×
2
h
:
1
3
π
(
3
r
)
2
×
3
h
1
:
8
:
27
v
1
=
1
v
2
=
8
−
1
=
7
v
3
=
27
−
8
=
19
So
v
1
:
v
2
:
v
3
=
1
:
7
:
19
© examsnet.com
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