c) How many bricks will be required for constructing a wall which is 18 m long,
4 m high and 45 cm thick, if each brick measures 25 cm x 11.25 cm x 5 cm.
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11th
Applied Mathematics
Numerical Applications
Mensuration
How many bricks will be req...
Maths
How many bricks will be required for a wall which is 8 m long, 6 m high and 22.5 cm thick if each brick measures 25cm×11.25cm×6cm ?
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Answer
Dimention of Wall;
l=8m=800cm
h=6m=600cm
b=22.5cm
volume of the wall =lbh=800×600×22.5
=10800000cm
3
Dimention of brick;
l=25cm
b=11.25cm
h=6cm
volume of brick =lbh
=25×11.25×6
=1687.5cm
3
therefore number of bricks=volume of wall/volume of 1 brick
=
1687.5
10800000
=6400 bricks
Therefore number of bricks are 6400.
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