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| Q. |
M 150 grade of concrete approximates |
| A. | 1 : 3 : 6 mix |
| B. | 1 : 1 :2 mix |
| C. | 1 : 2 : 4 mix |
| D. | 1 : 1.5 : 3 mix |
| Answer» B. 1 : 1 :2 mix | |
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