Find the number of bricks, each measuring 24 cm x 12 cm x 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?
19680
29650
38161
45000
Explanation:
Volume of the wall = (2400 x 800 x 60) cu. cm.
Volume of bricks = 90% of the volume of the wall
= ((90/100)* 2400 * 800 * 60) cm.
Volume of 1 brick = (24 x 12 x 8) cm.
bindu Number of bricks= (90/100)*(2400*800*60)/ (24*12*8)
= 45000.
Volume of the wall = (2400 x 800 x 60) cu. cm.
Volume of bricks = 90% of the volume of the wall
= ((90/100)* 2400 * 800 * 60) cm.
Volume of 1 brick = (24 x 12 x 8) cm.
bindu Number of bricks= (90/100)*(2400*800*60)/ (24*12*8)
= 45000.