CBSE  /  Class 8  /  Maths  /  Mensuration

  • 1. 
    The surface area of a cube of edge a is

  • 4a²
  • 6a²
  • 3a²
  • a².

  • 2. 
    The total surface area of a cylinder of base radius r and height h is

  • 2πr (r + h)
  • πr (r + h)
  • 2πrh
  • 2πr².

  • 3. 
    The volume of a cuboid of length l, breadth b and height h is

  • lbh
  • lb + bh + hl
  • 2 (lb + bh + hl)
  • 2 (l + b) h.

  • 4. 
    The volume of a cube of edge a is

  • a²
  • a³
  • a4
  • 6a²

  • 5. 
    The volume of a cylinder of base radius r and height h is

  • 2πrh
  • πr²h
  • 2πr (r + h)
  • \(\frac{1}{3}\) πr²h.

  • 6. 
    1 L =

  • 10 cm³
  • 100 cm³
  • 1000 cm³
  • 10000 cm³.

  • 7. 
    1 m³ =

  • 1 L
  • 10 L
  • 100 L
  • 1000 L.

  • 8. 
    The area of a rhombus is 60 cm². One diagonal is 10 cm. The other diagonal is

  • 6 cm
  • 12 cm
  • 3 cm
  • 24 cm.

  • 9. 
    The area of a trapezium is 40 cm². Its parallel sides are 12 cm and 8 cm. The distance between the parallel sides is

  • 1 cm
  • 2 cm
  • 3 cm
  • 4 cm.

  • 10. 
    If the height of a cuboid becomes zero, it will take the shape of a

  • cube
  • parallelogram
  • circle
  • rectangle.
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