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whats is the Indian standard ratio for mix design M5 M10 M15 M20 M25 M30 M35 AND M40???
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Answer Posted / dsp
The mixes of grades M10, M15, M20 and M25 correspond approximately to the mix proportions (1:3:6), (1:2:4), (1:1.5:3) and (1:1:2) respectively.
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