Answer Posted / tayab khan

Given data
area quanity: 300 sq.ft. thisimplies: 27.87cu.m
thickness of plaste: 12mm or: .012m
ratio 1:5 (assume)
Wet mixed mortar for uniform layer:27.87*.012:
0 .334cu.m adding 30 percent to fill up joints, unevensurfaces, etc
The quantity of mortar comes to 0.334 plus 0.100:0.434
Increasing by 25 percent the total dry volume
0.434 plus 0.108 : 0.542cu. M
cement: 1/6 *0.542 :0.0903 cu.m
0.0903* 30 : 2.70 bag say 3bag
sand: 5/6*0.542 :0.45cu.m

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