Answer Posted / shaikh moyunuddin

to calculate ratio 1:2:4
we consider 1 cu.m. ratio 1:2:4
total quantity=1+2+4=7
for cement=1*15.2/7=2.17cu.m.
for bag=2.17/0.35=6.20 bag
for sand=2.17*2=4.34cu.m.
for aggregate=2.17*4=8.68cu.m.

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