Question

21. The number of bricks of size 24 cm by 12 cm by 8 cm,
required to construct a wall 9 metres long, 4 meters
high and 36cm thick are :

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Answer 1

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Answer 2

Answer:

5625 bricks brick will be required to construct the said wall

Step-by-step explanation:

Volume of one brick

=24*12*8 cm³

Volume wall

=length*height*thickness

=9m*4m*36cm

=900cm*400cm*36cm

=900*400*36 cm3

so no of bricks required

=volume of wall / volume of one brick

=900*400*36/(24*12*8)

=12960000/2304

=5625 bricks