what is the ratio of M10,M20,M30,M40,M50,M60 grade concrete
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Answer Posted / palanimuthu
M5 1:5:10
M7.5 1:4:8
M10 1:3:6
M15 1:2:4
M20 1:1.5:3
M25 1:1:2
M30 1:0.75:1.5
M35 1:0.5:1
M40 1:0.25:0.5
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