How many bricks of size 22cm×10cm×7cm are required to construct a wall of 33m long , 3.5 m high and 40cm thick ,if cement and sand used in the construction occupy 1/10 part of the wall ?
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1
Answer:
the number of bricks requried is 27,000
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Answer:
# convert all the units to m.
The volume of brick:- 22 cm = 0.22m, 10cm = 0.1m, 7cm = 0.07m
:- 0.00154 m^3
The volume of the wall:- 33m * 3.5m * 40cm [0.4 m] = 46.2m^3.
Given that cement and sand occupy 1/10 of the wall, so the bricks will occupy 9/10 of the wall.
9/10 of 46.2m^3 = 41.58 m^3.
No of bricks required :- 41.58 / 0.00154
:- 27, 000.
Answer :- 27,000 bricks
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