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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. 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}

2. What will be the cost of gardening 1 meter boundary around a rectangular plot having perimeter of 340 meters at the rate of Rs. 10 per square meter ?

  • Rs. 3430
  • Rs. 3440
  • Rs. 3450
  • Rs. 3460

3. A farmer wishes to start a 100 sq. m. rectangular vegetable garden. Since he has only 30 meter barbed wire, he fences three sides of the garden letting his house compound wall act as the fourth side fencing. Then find the dimension of the garden.

  • 10 m * 5 m
  • 15 m * 5 m
  • 20 m * 5 m
  • 25 m * 5 m

4. 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

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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