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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 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}

2. 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}

3. The wheel of a motorcycle, 70 cm in diameter makes 40 revolutions in every 10 seconds. What is the speed of the motorcycle in km/hr

  • 30.68 km/hr
  • 31.68 km/hr
  • 32.68 km/hr
  • 33.68 km/hr

4. 50 square stone slabs of equal size were needed to cover a floor area of 72 sq.m. Find the length of each stone slab.

  • 110 cm
  • 116 cm
  • 118 cm
  • 120 cm

5. 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
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