Answer Posted / shuvro

We konw, Unit weight of cement = 1440 kg/cum

i.e. 1440/3.28^3 kg/cft
= 40.80 kg/cft

1 bag cement = 50 kg,
Then, 1 bag of cement = 50/40.8 = 1.23 cft

1 ag of cement = 1.23 cft (apprx.)

But, the most common practice of 1 bag cement = 1.25 cft

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