Answer Posted / guruprasad

1000mmx1000mmx1000mm =1 mx1mx1m = 1cum ok
M20 Grade =1:11/2:3
summation of proportion=1+1.5+3=5.5
1.54cum of dry materials of concrete will yield only 1 cum
concrete after adding water.
1cum x1.54/5.5= 0.28 cum
so cement=0.28cum= 0.28/.0347=8.07 bags=403.5 kg
sand=4.2cum=15.036cft
aggregate=8.4cum=30.072cft

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