a wall 10 metre long 1 m broad and 4 m high is to be constructed with brick 20 cm long 10 cm long and 10cm high. How many bricks required?
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volume of wall = LBH
10m=1000cm
1m=100cm
4m=400cm
volume=1000*100*400=40000000
volume of brick = 20*10*10=2000
Number of bricks required =
volume of wall divided by volume of brick
40000000/2000
10m=1000cm
1m=100cm
4m=400cm
volume=1000*100*400=40000000
volume of brick = 20*10*10=2000
Number of bricks required =
volume of wall divided by volume of brick
40000000/2000
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