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20 questions
If two solid hemisphere of same base radius r units are joined together along the their bases then curved surface area of this new solid is
14πr2
6πr2
3πr2
8πr3
A solid sphere of radius x cm is melted and cast into a shape of a solid cone of same radius height of the cone is
3x
X
4x
2x
Choose the correct answer to find the area of a circle
πr2
2πr2
2πr
The formula to find the curved surface area of a right circular cylinder =
πr2
πr2h
2πrh
2πr(h+r)
The formula to find the volume of a right circular cylinder =
πr2
πr2h
2πrh
2πr(h+r)
The formula to find the volume of a hemisphere =
2πr2
4πr2
34πr3
32πr3
The ratio of the volume of a cube to that of a sphere which exactly fits into the cube is…
π : 1
4 : 3
6 : π
π : 6
The volume of a cone is ____________ of that of a cylinder
three times
equal
half
one third
If the surface area of a sphere is 100π cm2 then its diameter is equal to
25 cm
50 cm
5 cm
10 cm
28.943 cm
28.9 cm
29 cm
28 cm
What is the formula to find the volume of a sphere ?
32πr3
35πr3
34πr3
πr3
6 km 435 m
64,350 meters
6,435 grams
6,435 liters
6,435 meters
The length of the edge of a cube is 60 cm. Find the volume of the cube.
180 cm3
21600 cm2
216000 cm3
720 cm3
Calculate the volume of the cuboid.
The curved surface area of a a right circular cone of height 15 cm and base diameter 16 cm is
60π
68π
120π
136π
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