How many bricks of size 22 cm into 10 cm into 7 cm are required to construct a wall 11 m long, 3.5 m high and 40cm that if the cement and sand used in the construction occupy 1 by 10th part of the word wall?
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volume of wall= 11×3.5× 0.4m^3 = 15.4m^3
since 1/10th part off the wall is occupied by cement and sand so the part occupied by the BRICS is 15.4/10 m^3 = 1.54m^3
now volume of 1 brick= 0.22×0.10×0.07=0.00154 m^3
so required number of bricks=1.54/0.00154 =1000
since 1/10th part off the wall is occupied by cement and sand so the part occupied by the BRICS is 15.4/10 m^3 = 1.54m^3
now volume of 1 brick= 0.22×0.10×0.07=0.00154 m^3
so required number of bricks=1.54/0.00154 =1000
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