CBSE  /  Class 8  /  Maths  /  Mensuration

  • 1. 
    The area of a rectangle of length a and breadth b is

  • a + b
  • ab
  • a² + b²
  • 2ab.

  • 2. 
    The area of a square of side a is

  • a
  • a²
  • 2a
  • 4a.

  • 3. 
    The area of a triangle with base b and altitude h is

  • \(\frac{1}{2}\)bh
  • bh
  • \(\frac{1}{3}\)bh
  • \(\frac{1}{4}\)bh.

  • 4. 
    The area of a parallelogram of base b and altitude h is

  • \(\frac{1}{2}\)bh
  • bh
  • \(\frac{1}{3}\)bh
  • \(\frac{1}{4}\)bh.

  • 5. 
    The area of a circle of radius r is

  • \(\frac{1}{2}\)πr²
  • r²
  • πr².
  • \(\frac{1}{4}\)πr²

  • 6. 
    1 cm³ =

  • 1000 mm³
  • 100 mm³
  • 10 mm³
  • \(\frac{1}{1000}\)mm³

  • 7. 
    1 m³ =

  • 1000000 cm³
  • 100 cm³
  • 10 cm³
  • \(\frac{1}{1000}\) cm³

  • 8. 
    1 mm³ =

  • 0.001 cm³
  • 0.01 cm³
  • 0.1 cm³
  • 1000 cm³

  • 9. 
    1 cm³ =

  • 0.000001 m³
  • 0.01 m³
  • 0.1 m³
  • 1000 m³

  • 10. 
    The surface area of a cuboid of length l, breadth b and height h is

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