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. A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is ?

  • 25%
  • 26%
  • 27%
  • 28%

2. 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}

3. The area of a square is 69696 cm square. What will be its diagonal ?

  • 373.196 cm
  • 373.110 cm
  • 373.290 cm
  • 373.296 cm

4. 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

5. 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}
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