Answer Posted / pritesh .c . bhoi

mix desighn = 1:2:4= 7
quantity is 1 cum add 52% westage and shreankage
so 152 cum
cement = 1*1.52/(7)=0.21714 cum (dry volume)
volume of one bag is 0.0347 cum
so no of bags are 0.21714/0.0347= 6.25 nos say7 numbers
bags are required
sand = 2*1.52/(7)=0.43428 cum
course aggregates = 4*1.52/(7)=0.86857 cum so conclution
is
cement =7 nos bags
sand =0.43428 cum
course aggregates =0.86857 cum
if any mistake please informed . thank you

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