Math: Surface Areas And Volume Practice Test!

15 Questions | Total Attempts: 2220

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Math: Surface Areas And Volume Practice Test!

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Questions and Answers
  • 1. 
    The number of 4 cm cubes which can be cut from  solid cube whose edge is 32 cm, is:
    • A. 

      8

    • B. 

      64

    • C. 

      256

    • D. 

      512

  • 2. 
    The region between an arc and two radii, joining the center to the end points of the arc is called:
    • A. 

      Sector

    • B. 

      Segment

    • C. 

      Semicircle

    • D. 

      None of the above

  • 3. 
    If the lateral surface area of the cube is 1600 cm2, then its edge is:
    • A. 

      15 cm

    • B. 

      18 cm

    • C. 

      20 cm

    • D. 

      25 cm

  • 4. 
    Base area of a cylinder is 154 sq. cm. Its height is 5 cm. Then its volume is:
    • A. 

      308 cubic cm

    • B. 

      525 cubic cm

    • C. 

      600 cubic cm

    • D. 

      770 cubic cm

  • 5. 
    Given a cuboid of dimensions l = 3. Cm, b = 2 cm and h = 2 cm. How many cubes of 1 cm side can be cut out of it?
    • A. 

      12

    • B. 

      6

    • C. 

      4

    • D. 

      3

  • 6. 
    The curved surface area of a hemisphere is 77 cm2. The radius of the hemisphere is:
    • A. 

      3.5 cm

    • B. 

      7 cm

    • C. 

      10.5 cm

    • D. 

      11 cm

  • 7. 
    If the volume and surface area of a sphere are numerically equal, then its radius is:
    • A. 

      2 units

    • B. 

      3 units

    • C. 

      4 units

    • D. 

      5 units

  • 8. 
    In a cylinder, radius is doubled and height is halved. The curved surface area will be:
    • A. 

      Halved

    • B. 

      Doubled

    • C. 

      Same

    • D. 

      Four times

  • 9. 
    Curved surface area of hemisphere of diameter 2r is:
    • A. 

      2πr2

    • B. 

      3πr2

    • C. 

      4πr2

    • D. 

      8πr2

  • 10. 
    The breadth of a room is twice its height and half its length and its volume is 1000 m3. Its dimensions are:
    • A. 

      20 m × 10 m × 5 m

    • B. 

      10 m × 10 m × 10 m

    • C. 

      420 m × 5 m × 5 m

    • D. 

      None of these

  • 11. 
    Two circular cylinders of equal volume have their heights in the ratio 1 : 2. The ratio of their radii is:
    • A. 
    • B. 
    • C. 
    • D. 
  • 12. 
    The length of the longest pole that can be put in a  room of dimensions 10 m × 10 m × 5 m.
    • A. 

      10 m

    • B. 

      12 m

    • C. 

      15 m

    • D. 

      16 m

  • 13. 
    If the height of the cone is doubled, then its volume is increased by:
    • A. 

      100%

    • B. 

      200%

    • C. 

      300%

    • D. 

      400%

  • 14. 
    A conical vessel whose internal dimensions is 105 cm deep and 120 cm in diameter is full of water. If a cubic decimeter of water weight 1kg 500g. The weight of water contained in the vessel:
    • A. 

      594 kg

    • B. 

      494 kg

    • C. 

      444 kg

    • D. 

      394 kg

  • 15. 
    The internal and external diameters of a hollow hemispherical vessel are 24 cm and 25 cm respectively. The total area to be painted is:
    • A. 
    • B. 
    • C. 
    • D. 
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