CBSE Questions for Class 9 Maths Surface Areas And Volumes Quiz 2 - MCQExams.com

Volume of a suitcase with clothes in it is ................... the volume of empty suitcase. (Both suitcases are of same size)
  • more than
  • less than
  • equal to
  • none of these
A toy box can fit $$36$$ equal sized unit blocks in it. Then its volume is
  •  $$36\,sq\,units$$
  •  $$63\,sq\,units$$
  •  $$36\,cu\,units$$
  •  $$62\,cu\,units$$
Fill in the blanks:
Surface area of a cylinder =  ............. x ........... + .......... .
  • 2 $$\times$$ area of rectangle $$+$$ area of circle
  • 2 $$\times$$ area of circle $$+$$ area of rectangle
  • 2 $$\times$$ area of square $$+$$ area of rectangle
  • 2 $$\times$$ area of rectangle $$+$$ area of rectangle
Fill in the blanks :
Curved surface area of a cylinder = ____
  • Circumference of a base $$\times$$ height
  • Area of a circle $$\times$$ radius
  • Circumference of a base $$\times$$ radius
  • Area of a circle $$\times$$ height
Volume of a cuboid with $$l = 10 cm, b = 12 cm, h = 8 cm$$ is
  • $$96$$ cubic cm
  • $$9.6$$ cubic cm
  • $$9600$$ cubic cm
  • $$960$$ cubic cm
Which formula is used to calculate the curved surface area of a cylinder?
  • $$\displaystyle \pi { r }^{ 2 }$$
  • $$\displaystyle 2\pi rh$$
  • $$\displaystyle 2\pi { r }^{ 2 }$$
  • $$\displaystyle 2\pi r$$
Volume of a sphere is calculated by:
  • $$\displaystyle \frac { 1 }{ 3 } \pi { r }^{ 3 }$$
  • $$\displaystyle \frac { 4 }{ 3 } \pi { r }^{ 2 }$$
  • $$\displaystyle \frac { 4 }{ 3 } \pi { r }^{ 3 }$$
  • $$\displaystyle \frac { 2 }{ 3 } \pi { r }^{ 3 }$$
What is the total surface area of a cuboid ?
  • $$2(lb + bh + hl)$$
  • $$(l \times b \times h)$$
  • $$(l \times b)$$
  • None of these
Find the volume of a sphere, whose diameter is $$8\ mm$$.(Take $$\pi=3.14$$) (Round your answer to the nearest tenth).
445172_25c278e6f402422e889ebc54d99e6837.png
  • $$\displaystyle 243.6{ mm }^{ 3 }$$
  • $$267.94\ mm^3$$
  • $$\displaystyle 1,143.6{ mm }^{ 3 }$$
  • $$\displaystyle 2,143.6mm$$
Calculate the volume of a sphere with radius $$2\ m. (\pi = 3.142)$$
  • $$33.51\ m^3$$
  • $$73.51\ m^3$$
  • $$63.51\ m^3$$
  • None of these
Find the volume of a sphere of radius given below:
445169.PNG
  • $$\displaystyle 1,706.25{ \ ft }^{ 3 }$$
  • $$\displaystyle 1,766.15{\  ft }^{ 3 }$$
  • $$\displaystyle 1,866.25{\  ft }^{ 3 }$$
  • $$\displaystyle 1,766.25{\  ft }^{ 3 }$$
The surface area of a sphere is given by the formula:
  • $$\displaystyle 4\pi { r }^{ 2 }$$
  • $$\displaystyle 4\pi r$$
  • $$\displaystyle 2\pi { r }^{ 2 }$$
  • $$\displaystyle \dfrac {1}{2}\pi { r }^{ 2 }$$
Volume of sphere is
  • $$\dfrac{1}{3}\pi r^3$$
  • $$\dfrac{4}{3}\pi r^3$$
  • $$\dfrac{2}{3}\pi r^3$$
  • $$\dfrac{4}{3}\pi r^2$$
Calculate the surface area of a sphere of radius $$2.8$$ cm.
  • $$98.56$$ cm$$^2$$
  • $$68.56$$ cm$$^2$$
  • $$38.56$$ cm$$^2$$
  • None of these
The surface area of a cube of side $$27\ \text{cm}$$ is
  • $$2916\ \text{cm}^{2}$$
  • $$729\ \text{cm}^{2}$$
  • $$4374\ \text{cm}^{2}$$
  • $$19683\ \text{cm}^{2}$$
Calculate the surface area of sphere.
445190.PNG
  • $$\displaystyle 5,024\ cm$$
  • $$\displaystyle 314{\  cm }^{ 2 }$$
  • $$\displaystyle 5,024{\  m }^{ 2 }$$
  • $$\displaystyle 5,024{ \ mm }^{ 2 }$$
A ball in the shape of a sphere has a surface area of $$221.76$$ cm$$^2$$. Calculate its diameter.
520191_1dd4f38282bf465da6744a3759a387d2.png
  • $$8.4cm$$
  • $$7.4cm$$
  • $$9.4cm$$
  • None of these
Which part in the cylinder is included for total surface area?

477257_a586a2525ecb40228543fc0220daa738.png
  • curved surface area
  • curved surface area and two circular bases
  • one circular bases
  • two circular bases
Find the volumes of rectangular boxes with length, breadth and height in the following table
S.NoLengthBreadthHeightVolume $$(v)=l\times b\times h$$
1$$3x$$$$4{x}^{2}$$$$5$$$$v=3x\times 4{x}^{2}\times 5=60{x}^{3}$$
2$$3{a}^{2}$$$$4$$$$5c$$$$v=......................$$
3$$3m$$$$4n$$$$2{m}^{2}$$$$v=......................$$
4$$6kl$$$$3{l}^{2}$$$$2{k}^{2}$$$$v=......................$$
5$$3pr$$$$2qr$$$$4pq$$$$v=.....................$$
  • 2. $$60{a}^{2}c$$
  • 5. $$24{p}^{2}{q}^{2}{r}^{2}$$
  • 4. $$36{k}^{3}{l}^{3}$$
  • 3. $$24{m}^{3}n$$
Find the radius of a solid sphere that has a volume of $$10$$ m$$^3$$.
  • $$1.336 m$$
  • $$3.336 m$$
  • $$2.336 m$$
  • None of these
Calculate the volume of a hemisphere with radius $$7$$ cm. $$\left ( \pi = \dfrac{22}{7} \right)$$
  • $$718.67$$ cm$$^3$$
  • $$78.67$$ cm$$^3$$
  • $$18.67$$ cm$$^3$$
  • None of these
Find the radius of a hemisphere with the volume of $$20$$ cm$$^3$$. $$(\pi = 3.142)$$
  • $$2.121 \text{ cm}$$
  • $$4.121 \text{ cm}$$
  • $$5.121 \text{ cm}$$
  • None of these
Find the volume of the sphere whose radius is $$5\sqrt 3$$ cm.
  • $$2127.72$$ cm$$^3$$
  • $$2720.72$$ cm$$^3$$
  • $$2721.71$$ cm$$^3$$
  • $$2727.27$$ cm$$^3$$
The radius of a spherical balloon increases from $$7$$ cm to $$14$$ cm as air is being pumped into it. Find ratio of surface areas of the balloon in the two cases.
  • $$\dfrac{3}{4}$$
  • $$\dfrac{1}{4}$$
  • $$\dfrac{1}{5}$$
  • None of these
The volume of sphere with radius $$3cm$$ is ................. $${cm}^{3}$$.
  • $$14\pi $$
  • $$18\pi $$
  • $$2\pi $$
  • $$36\pi $$
If all three parameters of a cuboid are in meters$$(m)$$, then unit of volume of a cuboid is:
  • $$m$$
  • $$m^{2}$$
  • $$m^{3}$$
  • $$cm^{3}$$
The formula of lateral surface area of cylinder is ________.
  • $$A = 2\pi r h$$
  • $$A = 2\pi r$$
  • $$A = \pi r^{2}$$
  • $$A = 2\pi r^{2}h$$
The surface area of a solid hemisphere is
  • $$\pi { r }^{ 2 }$$
  • $$4\pi { r }^{ 2 }$$
  • $$\dfrac { 4 }{ 3 } \pi { r }^{ 2 }$$
  • $$3\pi { r }^{ 2 }$$
The amount of three-dimensional space occupied by an object is called?
  • Area
  • Pressure
  • Volume
  • Mass
Find the surface area of a $$10cm \times 4cm \times 3cm$$ brick:
  • 84 sq. cm
  • 124 sq.cm
  • 164 sq.cm
  • 180 sq.cm
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