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CBSE Questions for Class 9 Maths Surface Areas And Volumes Quiz 11 - MCQExams.com

Mohit painted the outside of a box of length 2.5m, breadth 2m and height 1m. How much area did he cover, if he painted all except the bottom of the box?
  • 20m2
  • 16m2
  • 54m2
  • 14m2
An aquarium is in the form of a cuboid whose external measures are 80cm×30cm×40cm. The base side faces and back face are to be covered with a coloured paper. Find the area of the paper needed?
  • 3000cm2
  • 5000cm2
  • 8000cm2
  • 7000cm2
The curved surface area of a cylinder of the base radius 7 cm and height 25 cm.
  • 1100 cm3
  • 1100 cm2
  • 1408 cm3
  • 1408 cm2
A water tank is 1.4m long, 1m wide and 0.7m deep, then the volume of the tank in litres
  • 780 Litres
  • 860 Litres
  • 980 Litres
  • none of these
Find the total surface area of a hemisphere and a solid hemisphere each of radii 10 cm (Use π=3.14).
  • 628 cm2 and  942 cm2 respectively
  • 314 cm2 and  471 cm2 respectively
  • 1256 cm2 and  1884 cm2 respectively
  • None of these
The volume of hollow sphere is
  • 43π(R3r3)cm3
  • 23π(R3r3)cm3
  • 12π(R3r3)cm3
  • 56π(R3r3)cm3
A right circular cylinder tunnel of diameter 2 m and length 40 cm is to be constructed from a sheet of iron. The area of the sheet required in m2 is  
  • 45π
  • 80π
  • 160π
  • 200π
The diameter of the base of a right circular cylinder is 21cm and its height is 10 cm . What is the area of the curved surface? 
  • 660cm2
  • 930cm2
  • 1320cm2
  • 640cm2
The diameter of a cylinder is 28cm and its height is 20cm find the curved surface area.
  • 1760sq.cm
  • 17600sq.cm
  • 1706sq.cm
  • none of these
The diameter of a cylinder is 28cm and its height is 20cm find the total surface area.
  • 2992
  • 2090
  • 2900
  • 2099
The diameter of a sphere whose surface area is 346.5 cm2 is:
  • 5.25 cm
  • 5.75 cm
  • 11.5 cm
  • 10.5 cm
If the surface area of sphere is (144π)m2, then its volume is  
  • (288π)m3
  • (188π)m3
  • (300π)m3
  • (316π)m3
If d is diameter of a sphere, then its volume is-
  • 23π d3
  • 16π d3
  • 43π d3
  • 124π d3
If the diameter of the base of a cylinder is 14 cm and its height is 12 cm then the volume of the cylinder in m3 is 
  • 10.1848 m3
  • 0.001858 m3
  • 0.001848 m3
  • 18.48 m3
Volume of a rectangular box (cuboid) with length =2ab, breadth =3ac and height =2ac is 
  • 12a2bc2
  • 12a3bc2
  • 12a2bc
  • 2ab+3ac+2ac
Find the total surface area of the cuboids of length, breadth and height 
12cm,10cm,5cm respectively.
  • 460 cm2
  • 490 cm2
  • 360 cm2
  • 230 cm2
The largest sphere is carved out of a cube of edge 14 cm. The volume of this sphere is:
  • 1370 cm3
  • 1800 cm3
  • 1437 cm3
  • 1734 cm3
Mark the correct alternative of the following.
The number of surfaces of a hollow cylindrical object is?
  • 1
  • 2
  • 3
  • 4
The area of the floor of a room is 15m2. If its height is 4m, then the volume of the air contained in the room is
  • 60dm3
  • 600dm3
  • 6000xm3
  • 60000dm3
The largest sphere is carved out of a cube of side 10.5 cm. Find the volume of the sphere.
  • 606.375cm3
  • 66.3cm3
  • 60.375cm3
  • 66.375cm3
If the radius of a sphere is doubled, what is the ratio of the volume of the first sphere to that of the second sphere?
  • 1:8
  • 1:4
  • 1:27
  • 8:1
The surface area of a 10 cm×4 cm×6 cm brick is 
  • 84 cm2
  • 124 cm2
  • 164 cm2
  • 180 cm2
The area of the cardboard needed to make a box of size 25 cm×15 cm×8 cm will be 
  • 390 cm2
  • 1390 cm2
  • 2780 cm2
  • 1000 cm2
The actual width of a store room is 280 cm. If the scale chosen to make its drawing is 1:7, then the width of the room in the drawing will be 40 cm.
  • True
  • False
Write True or False and justify your answer in the following:
A solid ball is exactly fitted inside the cubical box of side a. The volume of the ball is 43πa3

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  • True
  • False
The surface area of a sphere of radius 7 cm is:
  • 88cm2
  • 616cm2
  • 661cm2
  • 308cm2
Volume of two spheres are in the ratio 64:27. The ratio of their surface areas is:
  • 3:4
  • 4:3
  • 9:16
  • 16:9
If the diameter of a sphere is d, then it's volume is
  • 13πd3
  • 124πd3
  • 43πd3
  • 16πd3
The ratio of the radii of two spheres is 4:5. Find the ratio of their total surface areas is:
  • 5:4
  • 4:5
  • 16:25
  • 25:16
A hollow cylinder has only
  • curved surface area
  • total surface area
  • volume
  • Perimeter
0:0:1


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