In M 20 grade concrete, the ratio of cement: sand: ballast will be - – McqOptions

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1.	In M 20 grade concrete, the ratio of cement: sand: ballast will be -
A.	1 : 3 : 6
B.	1 : 1 1.5 : 3
C.	1 : 1 : 2
D.	1 : 2 : 4
Answer» C. 1 : 1 : 2

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