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:
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
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