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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 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

2. 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

3. 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}

4. 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

5. The Diagonals of two squares are in the ratio of 2:5. find the ratio of their areas.

  • 4:25
  • 4:15
  • 3:25
  • 3:15
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