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 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. What are the least number of square tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad ?

  • 714
  • 814
  • 850
  • 866

3. The perimeters of 5 squares are 24 cm, 32 cm, 40 cm, 76 cm and 80 cm respectively. The perimeter of another square equal in area to the sum of the area of these square is:

  • 124 cm
  • 120 cm
  • 64 cm
  • 56 cm

4. A courtyard is 25 meter long and 16 meter board is to be paved with bricks of dimensions 20 cm by 10 cm. The total number of bricks required is :

  • 16000
  • 18000
  • 20000
  • 22000

5. 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
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