Question

A constructing four walls of length 25m,width 1.2m and height 10m by using bricks of dimensions 30cm × 22cm ×12cm × each. How many bricks are needed?

Answer 1

area of cuboid= LBH

                          25 X 1.2 X 10 = 300

AREA OF BRICK = 30*12*22

                            =7299

7299-300

total 6999bricks needed