Question

bricks of sizes 20 cm into 15 cm into 7 cm are used to build a wall whose length width and height at 10 M 90 cm and 4.2 metre how many bricks can be required to build the one

Answer 1

No. of bricks=volume of wall/volume of 1 brick
So, no.=1000*90*420/20*15*7
=37800000/2100
=18000bricks


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