Question Detail

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 Diagonals of two squares are in the ratio of 2:5. find the ratio of their areas.

  • 4:25
  • 4:15
  • 3:25
  • 3:15

2. If the ratio of the areas of two squares is 225:256, then the ratio of their perimeters is :

  • 15:12
  • 15:14
  • 15:16
  • 15:22

3. A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered.If the area of the field is 680 sq.ft, how many feet of fencing will be required ?

  • 88 feet
  • 86 feet
  • 84 feet
  • 82 feet

4. The sides of a triangle are in the ratio of \begin{aligned}\frac{1}{2}:\frac{1}{3}:\frac{1}{4}\end{aligned}. If the perimeter is 52 cm, then find the length of the smallest side.

  • 12 cm
  • 14 cm
  • 16 cm
  • 18 cm

5. The height of an equilateral triangle is 10 cm. find its area.

  • \begin{aligned} \frac{120}{\sqrt{3}} cm^2 \end{aligned}
  • \begin{aligned} \frac{110}{\sqrt{3}} cm^2 \end{aligned}
  • \begin{aligned} \frac{100}{\sqrt{3}} cm^2 \end{aligned}
  • \begin{aligned} \frac{90}{\sqrt{3}} cm^2 \end{aligned}
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