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2. How many bricks will be required for 7. e elgconstructing a wall which is 16 m long, 3 mhigh and 22.5 cm thick, if each brick measures25 cm Ă 11.25 cm Ă 6cm ?height is(includingits volume8. A solid cub |
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Answer» Wall;l=16m=1600cmh=3m=300cmb=22.5cmvolume of the wall=lbh =1600*300*22.5 =10800000centi metre cubebrick;l=25cmb=11.25cmh=6cmvolume=lbh =25*11.25*6 =1687.5 centi metre cubetherefore number of bricks=volume of wall/volume of 1 brick = 10800000/1687.5 =6400 brickstherefore number of bricks is 6400 bricks |
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