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| Q. |
The grade of concrete M 150 means that compressive strength of a 15 cm cube after 28 days, is |
| A. | 100 kg/cm2 |
| B. | 150 kg/cm2 |
| C. | 200 kg/cm2 |
| D. | 250 kg/cm2 |
| Answer» B. 150 kg/cm2 | |
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