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A courtyard is 25 meter long and 16 meter board is to be paved with bricks of dimensions 20 cm by 10 cm. The total number of bricks required is :

  • 16000
  • 18000
  • 20000
  • 22000
Similar Questions :

1. The percentage increase in the area of a rectangle, if each of its sides is increased by 20% is:

  • 32%
  • 34%
  • 42%
  • 44%

2. The area of incircle of an equilateral triangle of side 42 cm is :

  • 462cm2
  • 452cm2
  • 442cm2
  • 432cm2

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. The area of rhombus is 150 cm square. The length of one of the its diagonals is 10 cm. The length of the other diagonal is:

  • 15 cm
  • 20 cm
  • 25 cm
  • 30 cm

5. 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
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