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. What are the least number of square tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad ?

  • 714
  • 814
  • 850
  • 866

2. 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

3. 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}

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. 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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