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Hiw many bricks of size 12cm …

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Hiw many bricks of size 12cm × 6cm × 4cm are required to construct a wall 10m long, 4 m high and 20cm thick, if the cement and sand used in the construction occupy 1/10th part of the wall

Posted by Abhishek Kumar 7 years ago

CBSE > Class 08 > Mathematics

2 answers

Abhishek Kumar 7 years ago

Thnx

0Thank You

Ram Kushwah 7 years ago

Volume of wall =10x4x20/100=8m³=8000000cm³

^{Cement 10%=800000}

^{wall-cement =7200000 cm3}

^{vol of brick = 12*6*4=288}

^{no of bricks= 7200000 / 288=25000 bricks ans}

2Thank You

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CBSE > Class 08 > Mathematics