Answer / dinesh kaushik

1;3;6-M10
1;2;4-M15
1;1.5;3-M20
1;1;2-M25
M30 AND ABOVE DESIN MIX

Answer / sjtbehera

go to book

1:2:4-m15
1:11/2:3- m20
1:1:1 - m25
1:1:1- m30 desigin mix
m40 and above- desigin mix

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