Answer / shuja

It depends upon the type of mix which is required

Answer / raghvendra verma

Question data is incomplete, you need to tell Grade of Cube
First
If its M-15
Ratio will be 1:2:4
So Equation will be 0.5x + 1x + 2x + 4x = 2400
(0.5 is water content and 2400 is density of concrete )
so x = 320 Kg/m3

So answer for your question will be 320/4 = 80 Kg/m3

Answer / dip

Question data is incomplete, you need to tell Grade of Cube
First
If its M-15 unit wt of conc 2400kg/m3
Ratio will be 1:2:4
So Equation will be 0.5x + 1x + 2x + 4x = 2400
(0.5 is water content and 2400 is density of concrete )
so x = 320 Kg/m3

so theanswer is for cement (320*4)=1280kg/m3
and it will be( 1280/1000^3)=1.28*10^-6kg/mm3
in 250mm cube it will be 3.2*10^-4

Answer / aabid

250 * 250 cube put in
Cement - 22.50kg
Sand . - 22.66 kg
Gravel - 24.22 kg
Water - 15.33 kg
Water - . 15.63liter

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