Answer Posted / syed azhar uddin

Size of brick is 10cm x 10cm x20cm
0.1x0.1x0.20=0.002cum.
1/0.002=500 no of bricks in 1 cum.
Cement mortor required for brick work .ratio is (1:5)
1) sand
1 cum=0.20 cum
0.20x actual quantity of brick work
0.20x1=0.20 cum.

2) cement
1 cum =(0.20x1440/5)
To find the value of cementfor 1cum theabove formula is necessary
0.20 refers to 1cum=0.20 of sand.
1440 refers to wt of cement per cum.
Where 5 refers last digit of cement mortor ratio.
1 cum = 57.6 kgs.
No of bags = 57.6/50 kg in one bag
=1.152 bags.
In one 1cum required
Cement: 1.152 bags.
Sand: 0.20 cum.

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