what is the ratio of M10,M20,M30,M40,M50,M60 grade concrete
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Answer Posted / mohammed tausif
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
& above m25 grade,that is Based on design mix per IS.
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