0 votes 0 votes Concrete of characteristic strength $30 \mathrm{MPa}$ is required. If $40$ specimens of concrete cubes are to be tested, the minimum number of specimens having at least $30 \mathrm{MPa}$ strength should be$35$$37$$38$$39$ Others gatecivil-2024-set1 + – admin asked Feb 16 • edited Feb 28 by makhdoom ghaya admin 4.2k points answer See all 0 reply