Answer Posted / anoop didwaniya

10'X10'=100 sft.
converted in to sqm.=100/10.76=9.29 sqm.
ratio= 1:5, 1+5=6
for cement----1/6 x 1.52=.25 m3 x 35.28=8.93/1.25=7.15
so 7.15 bag in a cum. so for 20mm thk.
for cum. 9.29 sqm x .020 mm = .18 cum.
therefore --7.15 x .18m3 = 1.28 bag answer
for sand------5/6 x 1.52=1.26 m3 x 35.28=44.68 cft./1cum.
so 44.68 x .18m3 = 8 cft answer
1.28 bag of cement
8 cft of sand. required in 10'10 wall with 20mm thk.

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