Answer Posted / ranjith679@gmail.com

Ref: M20=1:1.5:3
Cemet = 1/5.5*1.52*28.8= 7.95 say 8 Bags
Sand = 1.5/5.5*1.52= 0.414cum
Aggregate= 3/5.5*1.52=0.829cum

28.8 means 1 cum unit bags of concrete

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