Question
- The dimensions of a brick are 24 cm × 12 cm × 8 cm. The number of bricks that will be required to build a wall 24 m long, 8 m high and 0.6 m thick, if 10% of the wall is filled with mortar, is
Answer: Option B
Submit Your Solution Below and Earn Points !
Submit Your Solution Below and Earn Points !
=2400 × 800 × 60 cm cube
Volume of the brick = 24 × 12 × 8 cm cube
Percentage of the mortar in the wall is 10%.
Therefore, percentage of the bricks in the wall is 90% = 9/10%
Brick's volume in the wall = volume of the wall ×