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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 area of incircle of an equilateral triangle of side 42 cm is :

  • \begin{aligned} 462 cm^2 \end{aligned}
  • \begin{aligned} 452 cm^2 \end{aligned}
  • \begin{aligned} 442 cm^2 \end{aligned}
  • \begin{aligned} 432 cm^2 \end{aligned}

2. Find the circumference of a circle, whose area is 24.64 meter sqaure

  • 17.90m
  • 17.80m
  • 17.60m
  • 17.40m

3. 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

4. The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then the area of the park (in sq. m) is:

  • \begin{aligned} 152600 m^2\end{aligned}
  • \begin{aligned} 153500 m^2\end{aligned}
  • \begin{aligned} 153600 m^2\end{aligned}
  • \begin{aligned} 153800 m^2\end{aligned}

5. 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
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