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CBSE Questions for Class 9 Maths Surface Areas And Volumes Quiz 9 - MCQExams.com

A brick whose length, breadth and height are 5m,6m, and 7m respectively. Find the surface area of the brick.
  • 214 m2
  •  202 m2
  •  201 m2
  • 210 m2
The radius of a hemisphere is 10 cm. Calculate it's volume.
  • 3125.53 cm3
  • 2095.24 cm3
  • 3005.35 cm3
  • 2672.18 cm3
What is the volume of the hemisphere with radius 21 cm?
  • 16404 cm3
  • 17404 cm3
  • 18404 cm3
  • 19404 cm3
Calculate the surface area of hemisphere having the radius of 1.4 cm.
  • 1.232 cm2
  • 12.32 cm2
  • 123.2 cm2
  • 1232 cm2
The largest possible sphere is carved out of a wooden solid cube of side 7 cm. Find the volume of the wood left. [Use π=227]
  • 163.3 cm3
  • 164 cm3
  • 165 cm3
  • 170 cm3
The diagram shows the cross section of six identical marbles touching each other on a horizontal surface.
If the volume of a mabrle is 9π2cm3, calculate the length of PQ, in cm.
520273_7220ccc9a3a5481da65193165de6b15b.png
  • 9
  • 27
  • 18
  • 22
Calculate the total surface area of the right circular cylinder shown in the above figure (in square units).

484369.JPG
  • 300π
  • 400π
  • 500π
  • 600π
A closed metallic cylindrical box is 1.25 m high and its base radius is 35 cm. If the sheet metal costs Rs. 80 per m2, the cost of the material used in the box is
  • Rs. 281.60
  • Rs. 290
  • Rs. 340.50
  • Rs. 500
If the total surface area of a solid hemisphere is 462 cm2, find its volume.
Note: Take π=227
  • 716
  • 718.67
  • 720.87
  • 840
The addition of curved surface and circular surfaces are called

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  • area
  • perimeter
  • lateral surface area
  • total surface area
The curved surface area of a right circular cone of radius 11.3 cm is 355 cm2. What is its slant height?
  • 8 cm
  • 9 cm
  • 10 cm
  • 11 cm
Find the surface area of a cube in square inches, whose each edge measures 3 inches.
  • 9
  • 18
  • 27
  • 36
  • 54
What is the surface area of a cylinder that has a top and bottom if the height is 8.5 units and the diameter is 3 units?
  • 18π square units
  • 30π square units
  • 32π square units
  • 36π square units
  • 54π square units
Each edge in a cube is 5 cm. What is the surface area in square cm?
  • 25
  • 30
  • 100
  • 125
  • 150
There are two cuboidal boxes as shown in the given figure. Does Box 1 require the less amount of material to make ?
567156_b87cab64cdaf447186c0c469edda6cd9.png
  • True
  • False
The diameter of the moon is approximately one fourth of the diameter of the earth. Find the ratio of their surface areas.
  • 5:16
  • 1:16
  • 3:16
  • None of these
The diameter of a sphere is decreased by 25%. By what percent does its curved surface area decrease?
  • 53.85%
  • 34.85%
  • 45.65%
  • 43.75%
Curved surface area of solid sphere is 24cm2. If the sphere is divided into two hemispheres, then the total surface area of one of the hemispheres is :
  • 12cm2
  • 8cm2
  • 16cm2
  • 18cm2
If the radius of a sphere is 2 cm, then the curved surface area of the sphere is equal to:
  • 8π cm2
  • 16 cm2
  • 12π cm2
  • 16π cm2
The total surface area of a solid hemisphere of diameter 2 cm is equal to
  • 12cm2
  • 12πcm2
  • 4πcm2
  • 3πcm2
The curved surface area of a right circular cylinder of radius 1 cm and height 1 cm is equal to 
  • π cm2
  • 2π cm2
  • 3π cm2
  • 2 cm2
The curved surface area of a right circular cylinder whose radius is a units and height is b units, is equal to
  • πa2b sq.cm
  • 2πab sq.cm
  • 2π sq.cm
  • 2 sq.cm
The inner curved surface area of a hemispherical dome of a building needs to be painted. If the circumference of the base is 17.6 m, find the cost of painting it at the rate of Rs.5 per sq.m
  • Rs.246.40
  • Rs.24.40
  • Rs.26.40
  • None of these
If the surface area of a sphere is 36πcm2, then the volume of the sphere is equal to
  • 12πcm3
  • 36πcm3
  • 72πcm3
  • 108πcm3
If the volume of a sphere is 916π cu.cm, then its radius is
  • 43cm
  • 34cm
  • 32cm
  • 23cm
The surface area of two spheres are in the ratio of 9:25. Then their volumes are in the ratio
  • 81:625
  • 729:15625
  • 27:75
  • 27:125
The cub (cubical) volume of a hemisphere, having diameter 1 cm, will be .............  cm 3
  • π6
  • π12
  • 2π3
  • 4π3
If the total surface area of a solid hemisphere is 12π cm2, then its curved surface are is equal to
  • 6π cm2
  • 24π cm2
  • 36π cm2
  • 8π cm2
The total surface area of a solid hemisphere whose radius is a units, is equal to
  • 2πa2 sq. units
  • 3πa2 sq. units
  • 3πa sq. units
  • 3a2 sq. units
How many litres of water does this fish tank will hold ?
708636_7bc993d8c05845aa8735b2f4dded18d9.png
  • 2.4 L
  • 24 L
  • 4.8 L
  • 100 L
0:0:1


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