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Q. |
The ratio of different ingredients (cement, sand and aggregate) in concrete mix of grade M 20 is |
A. | 1 ; 1 : 2 |
B. | 1 ; 1.5 : 3 |
C. | 1 ; 2 : 4 |
D. | 1 ; 3 : 6 |
Answer» B. 1 ; 1.5 : 3 |
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