9303753286127016 ONLINE TEST FOR CLASS 9 MATHS SURFACE AREAS VOLUMES

ONLINE TEST FOR CLASS 9 MATHS SURFACE AREAS VOLUMES

ONLINE TEST FOR CLASS 9 MATHS SURFACE AREAS VOLUMES

  • Question 1:  

    The perimeter of the one face of a cube is 20 cm. Then its volume must be

  • 125 cm3

  • 400 cm3

  • 1000 cm3

  • 8000 cm3

  • Question 2:  

    A hemisphere bowl has a radius of 3.5 cm. The volume of the water it would contain is

  • 88.9 cm3

  • 89.8 cm3

  • 88 cm3

  • 90 cm3

  • Question 3:  

    If each edge of a cube is increased by 50% then the percentage increase in its surface area is

  • 50%

  • 100%

  • 125%

  • 150%

  • Question 4:  

    The surface area of two spheres are in the ratio 1:4. then the ratio of their volume is

  • 1 : 2

  • 1 : 4

  • 1 : 8

  • 1 : 16

  • Question 5:  

    The maximum length of the longest rod that can be placed in a rectangular box of dimensions 8 cm * 6 cm *  2 cm is

  • 2√13 cm

  • 2√14 cm

  • 2√26 cm

  • 10√2 cm

  • Question 6:  

    The diameter of the moon is approximately one-fourth of the diameter of the earth. What fraction of the volume of the earth is the volume of the moon?

  • 1/4

  • 1/16

  • 1/64

  • 1/36

  • Question 7:  

    A hemispherical tank is made up of an iron sheet 1 cm thick. If the inner radius is 1 m, then the volume of the iron used to make the tank is

  • 0.06343 m3

  • 1.06343 m3

  • 0.06686 m3

  • none of these

  • Question 8:  

    The edge of the cuboid are in the ratio 1 : 2 : 3 and its surface area is 88 cm2 . Then the volume of the cuboid is

  • 24 cm3

  • 48 cm3

  • 64 cm3

  • 120 cm3

  • Question 9:  

    A cone, a hemisphere and a cylinder stand on equal bases and have the same height. The ratio of their volume is

  • 1:2:3

  • 1:3:5

  • 2:4:5

  • 1:2:4

  • Question 10:  

    The diagonal of a cube is 6√3 cm. Then its volume is

  • 216 cm3

  • 64 cm3

  • 144 cm3

  • 136 cm3

  • A cylindrical rod whose height is 8 times of its radius is melted and recast into spherical balls of same radius. The number of balls will be

    6

    4

    3

    8



The edge of a cube is 20 cm. How many small cubes of 5 cm edge can be formed from this cube?

32

100

4

64


A metallic right circular cone of height 9 cm and base radius 7 cm is melted into a cuboid whose two sides are 11 cm and 6 cm. What is the third side of the cuboid?

5 cm

7 cm

6 cm

10 cm


A metallic right circular cone of height 9 cm and base radius 7 cm is melted into a cuboid whose two sides are 11 cm and 6 cm. What is the third side of the cuboid?

5 cm

7 cm

6 cm

10 cm



Balkishan Agrawal

At the helm of GMS Learning is Principal Balkishan Agrawal, a dedicated and experienced educationist. Under his able guidance, our school has flourished academically and has achieved remarkable milestones in various fields. Principal Agrawal’s vision for the school is centered on providing a nurturing environment where every student can thrive, learn, and grow.

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