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The percentage increase in the area of a rectangle, if each of its sides is increased by 20% is:

  • 32%
  • 34%
  • 42%
  • 44%
Similar Questions :

1. The length of a rectangle is three times of its width. If the length of the diagonal is \begin{aligned}8\sqrt{10}\end{aligned}, then find the perimeter of the rectangle.

  • 60 cm
  • 62 cm
  • 64 cm
  • 66 cm

2. If the circumference of a circle increases from 4pi to 8 pi, what change occurs in the area ?

  • Area is quadrupled
  • Area is tripled
  • Area is doubles
  • Area become half

3. The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then the area of the park (in sq. m) is:

  • \begin{aligned} 152600 m^2\end{aligned}
  • \begin{aligned} 153500 m^2\end{aligned}
  • \begin{aligned} 153600 m^2\end{aligned}
  • \begin{aligned} 153800 m^2\end{aligned}

4. One side of rectangular field is 15 meter and one of its diagonals is 17 meter. Then find the area of the field.

  • \begin{aligned} 120m^2 \end{aligned}
  • \begin{aligned} 130m^2 \end{aligned}
  • \begin{aligned} 140m^2 \end{aligned}
  • \begin{aligned} 150m^2 \end{aligned}

5. If the area of a square with the side a is equal to the area of a triangle with base a, then the altitude of the triangle is.

  • a
  • a/2
  • 2a
  • None of above
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