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Volume And Surface Area Mock Tests

15 questions available

Volume And Surface Area Mock Test 1

Questions: 15

नमूना प्रश्न

Class 10 Mathematics
A sphere, a hemisphere, and a right circular cylinder all have the same radius r. If their volumes are equal, what is the height of the cylinder?
A 2r
B 3r/2
C 4r/3
D r
Class 10 Mathematics
A right triangle with sides 6 cm and 8 cm is rotated about the side 6 cm. What is the volume of the solid formed?
A 402.29 cm³
B 105.57 cm³
C 96 cm³
D 112 cm³
Class 10 Mathematics
The volume of a right circular cone with radius 7 cm and height 24 cm is (use π = 22/7):
A 1232 cm³
B 1386 cm³
C 1540 cm³
D 1724 cm³
Class 10 Mathematics
A cone and a sphere have the same radius r. If their volumes are equal, what is the height of the cone?
A 2r
B 3r
C 4r
D r
Class 10 Mathematics
A solid sphere of radius 6 cm is melted and recast into small solid cones each of radius 2 cm and height 2 cm. How many cones are formed?
A 108
B 24
C 36
D 12
Class 10 Mathematics
A bucket is in the shape of a frustum of a cone. The radii of the two circular ends are 14 cm and 7 cm, and the height is 16 cm. Find the capacity of the bucket.
A 5488π/3 cm³
B 4312π/3 cm³
C 686π/3 cm³
D 10976/3 cm³
Class 10 Mathematics
A solid hemisphere of radius 6 cm is melted to form solid spheres of radius 3 cm each. The number of spheres formed is:
A 4
B 8
C 2
D 16
Class 10 Mathematics
A sphere and a cylinder have the same radius r. The height of the cylinder equals its diameter (2r). The ratio of the volume of the sphere to the volume of the cylinder is:
A 2 : 3
B 3 : 2
C 1 : 1
D 1 : 2

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