Which of following proportion of different ingredient of concrete mix – McqOptions

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1.	Which of following proportion of different ingredient of concrete mix confirm to the arbitrary mothod of mixing?
A.	1 ; 2 ; 5
B.	1 ; 3 : 7
C.	1 : 4 ; 8
D.	1 : 5 ; 9
Answer» D. 1 : 5 ; 9

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