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CBSE Questions for Class 9 Maths Surface Areas And Volumes Quiz 4 - MCQExams.com

A building has 8 right cylindrical pillars whose cross sectional diameter is 1 m and whose height is 4.2 m. Find the expenditure to paint these pillars at the rate of Rs.24 per m2
  • Rs.2534.40
  • Rs.2506.13
  • Rs.2610.9
  • Rs.2514.5
A cylindrical container with internal radius of its base 10 cm, contains water up to a height of 7 cm. Find the area of the wet surface of the cylinder.
  • 324.29 cm2
  • 754.29 cm2
  • 674.29 cm2
  • 584.29 cm2
Curved surface of right circular cylinder is 4.4m2, radius of base is 0.7 m, then the height is (Take π=227):
  • 1 m
  • 2 m
  • 3 m
  • 4 m
If a solid metallic sphere of radius 8 cm is melted and recasted into n spherical solid balls of radius 1 cm, then n is:
  • 500
  • 510
  • 512
  • 516
Find the surface area of a sphere of radius 10.5 cm.
  • 1386\ {cm}^{2}
  • 1836\ cm^2
  • 1368\ cm^2
  • 1683\ cm^2
The dimensions of a car petrol tank are 50 cm \times\, 32 cm \times\, 24\, cm, which is full of petrol. If car's average consumption is 15 km per litre, find the maximum distance that can be covered by the car.
  • 576 km
  • 500 km
  • 543 km
  • 567 km
A closed cylindrical tank, made of thin iron-sheet, has diameter 8.4 m and height 5.4 m. How much metal sheet to the nearest m^2 is used in making this tank, if \displaystyle \frac{1}{15} of the sheet actually used was wasted in making the tank ?
  • 272\, m^2
  • 270 \,m^2
  • 235 \,m^2
  • 240 \,m^2
Find the surface area of a sphere of radius 14 cm.
  • 2464\ {cm}^{2}
  • 1446\ cm^2
  • 2446\ cm^2
  • 2664\ cm^2
Volume and total surface area of a solid hemisphere are equal in magnitude. The volume is expressed in cm^3 and the area is expressed in cm^2. Find the radius of hemisphere. 
  • 3 cm
  • 4 cm
  • 4.5 cm
  • 5.5 cm
Find the surface area of a sphere of radius 5.6 cm.
  • 394.24{cm}^{2}
  • 394.42\ cm^2
  • 493.24\ cm^2
  • 493.42\ cm^2
If the curved surface area of a solid right circular cylinder of height h and radius r is one-third of its total surface area, then
  • \displaystyle h\, =\, \frac{1}{3}\, r
  • \displaystyle h\, =\, \frac{1}{2}\, r
  • h = r
  • h = 2r
A hemispherical bowl is made of steel, 0.25cm thick. The inner radius of the bowl is 5cm. Find the outer curved surface area of the bowl.
  • 173\ {cm}^{2}
  • 133\ {cm}^{2}
  • 143\ {cm}^{2}
  • 273\ {cm}^{2}
Find the volume of a sphere whose surface area is 154{cm}^{2}.
  • 179\cfrac{2}{3}{cm}^{3}
  • 179\cfrac{4}{3}{cm}^{3}
  • 179\cfrac{5}{3}{cm}^{3}
  • 179\cfrac{1}{3}{cm}^{3}
Find the surface area of sphere of diameter 14 cm.
  • 616{cm}^{2}
  • 661\ cm^2
  • 166\ cm^2
  • None of these
Find the amount of water displaced by a solid spherical ball of diameter 28cm.
  • 11498\cfrac{2}{3}{cm}^{3}
  • 11498\cfrac{2}{7}{cm}^{3}
  • 11498\cfrac{1}{3}{cm}^{3}
  • 11498\cfrac{2}{5}{cm}^{3}
Find the volume of a sphere whose radius is 0.63m
  • 1.05{m}^{3}
  • 3.05{m}^{3}
  • 1.15{m}^{3}
  • 2.05{m}^{3}
A capsule of medicine is in the shape of a sphere of diameter 3.5mm. How much medicine (in {mm}^{3}) is needed to fill this capsule?
  • 22.458\ {mm}^{3}
  • 32.346\ {mm}^{3}
  • 23.346\ {mm}^{3}
  • 12.346\ {mm}^{3}
Find the total surface area of a hemisphere of radius 10 cm. (Use \pi =3.14)
  • 942{cm}^{2}
  • 492\ cm^2
  • 249\ cm^2
  • 924\ cm^2
Find the radius of a sphere whose surface area is 154{cm}^{2}.
  • 3.5 cm
  • 4.5 cm
  • 4 cm
  • 3 cm
It costs Rs.2200 to paint the inner curved surface of a cylindrical vessel 10\ m deep. If the cost of painting is at the rate of Rs.20 per {m}^{2}.Find Inner curved surface area of the vessel.
  • 110\ {m}^{2}
  • 140\ {m}^{2}
  • 210\ {m}^{2}
  • 120\ {m}^{2}
A match box measures 4\ cm\times 2.4\ cm\times 1.5\ cm. What will be the volume of a packet containing 12 such boxes?
  • 172.8\ {cm}^{3}
  • 120\ {cm}^{3}
  • 280\ {cm}^{3}
  • 360\ {cm}^{3}
What is the total surface area of a cube whose side is 0.5 cm?
  • 1.5 cm^2
  • 0.25 cm^2
  • 0.125 cm^2
  • 2.5 cm^2
If the diameter of a cylinder is 28 cm and its height is 20 cm, then total surface area (in {cm}^{2}) is:
  • 2993
  • 2992
  • 2292
  • 2229
Find the quantity of water in liters in a hemispherical bowl of radius 21\text{ cm}. The bowl is completely filled with water. (Take \pi=\cfrac{22}{7})
  • 19.404\text{ liters} 
  • 16.141\text{ liters}
  • 22.254\text{ liters}
  • 18.204\text{ liters}
How many bricks, each measuring 25 cm \times 11.25 cm \times 6 cm will be needed to build a wall 8 m \times 6 m \times 22.5 cm ?
  • 5600
  • 6000
  • 6400
  • 7200
Find the volume of a cuboid of length 20 cm, breadth 15 cm and height 10 cm.
  • 8794 cm^3
  • 7680 cm^3
  • 3000 cm^3
  • 5760 cm^3
A cuboid is 3 cm high, 4cm wide and 5cm long. What is its volume?
  • 60 cm^3
  • 50 cm^3
  • 150 cm^3
  • 100 cm^3
Find the volume of a sphere whose surface area is 55.44{cm}^{2}. (Take \pi=\cfrac{22}{7})
  • 38.808\ {cm}^{3}
  • 38.008\ {cm}^{3}
  • 32.808\ {cm}^{3}
  • 28.808\ {cm}^{3}
If a cistern is 3 metres long, 2 metres wide and 1 metre deep, its capacity is
  • 6000 litres
  • 600 litres
  • 60 litres
  • 6 litres
Write the curved surface area of a right circular cylinder whose radius is 3 cm and height is 5 cm.
  • 30\pi \ {cm}^{2}
  • 20\pi \ {cm}^{2}
  • 35\pi \ {cm}^{2}
  • 40\pi \ {cm}^{2}
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