what is the ratio of M10,M20,M30,M40,M50,M60 grade concrete
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Answer Posted / ljoosph@gmail.com
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
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