Question

The number of bricks, each measuring 18 cm x 12 cm x 10 cm are required to build a wall 12 m x 0.6 m x 4.5 m if 1 10 of its volume is taken by mortar is

Answer 1

Step-by-step explanation:

Volume of brick = 18 × 12 × 10 = 2160cm³

volume of wall = 1200 ×60 × 450 = 32400000 cm³

1/10 is taken out so 32400000 - 3240000 =29160000

so no of bricks = 29160000÷2160 = 13500

$Volume \: of \: brick \: = 18 × 12 × 10 = 2160cm³ </p><p>volume \: of \: wall \: = 1200 ×60 × 450 = 32400000 cm³ </p><p>1/10 \: is \: taken \: out \: so 32400000 - 3240000 =29160000</p><p>so \: no \: of \: bricks = 29160000÷2160 = 13500$

Answer 2

Answer:

Please find the attachment