Answer Posted / sourav sanyal

unit weight of concrete = 1440kg/cubic meter
therefore unit weight is equal to weight over volume
given the unit weight already;
1440kg/cu.m = W/V
given also the weight of cement which is 50kg
so. cross multiply and we get
v= W/unit weight = 50/1440
and the answer is = 0.0347222 cu.m.
and 1 cu.m.=35.31 c.ft.
then .0347*35.31=1.225c.ft.

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