Answer / madhusudhan

M 7.5

Answer / ash

m 7.5

Answer / divusp

M20: 1:1.5:3
M15: 1:2:4
M10: 1:3:6
M7.5:1:4:8
M5: 1:6:8
above M20 must go for design mix

Answer / vijay kumar nishad

m5

Answer / raju

M7.5

Answer / ashish shah-surendranagar

M10

Answer / sumit patel

m10

Answer / k.prakash

this Answer is M5

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