Answer Posted / nagori salim

For M15 - 1:2:4

Consider 1 cumec

Summation of M15 Proportion is 1+2+4 = 7

Quantities:
Cement = 1(cumec)/7(summation)
= 0.1428 cumec
= 0.1428/0.0347
= 4.11 = 5 bags

Sand = 4.11 * 2 = 8.22 cumec

Aggregate = 4.11 * 4 = 16.44 cumec

For W/C = 0.45 (Assumed)

Water = 0.45 * 4.11 = 1.85 ltrs

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