MCQOPTIONS
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| 1. |
The ratio of various ingredients (cement, sand, aggregates) in concrete of grade M 20 is:A. 1 : 2 : 4B. 1 : 3 : 6C. 1 : 1.5 : 3D. 1 : 1 : 2 |
| A. | Only A |
| B. | Only B |
| C. | Both A and B |
| D. | None of these |
| Answer» E. | |