Question

Find the number of bricks, each measuring 24 cm×12 cm × 8 cm, required to construct a wall 24 m long, 8m high and 60 cm thick if 10% of the wall is filled with mortar?
4500
45000
450
450000​

Answer 1

Answer:

The area of brick = 24x12x8 cm3

Area of wall = 2400x800x6000cm

Area of wall occupied by bricks =90% of 2400x800x6000

=2400x800x600x9

No.of bricks = Area of wall occupied by bricks = Area of bricks = (2400x800x600x9) -

(24x12x8)

=4000000 bricks