what is the ratio of M10,M20,M30,M40,M50,M60 grade concrete
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Answer Posted / ravichandran.e
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 : 1:1:1.5
M40 : 1:1.62:2.96
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