Say cement sand ratio is 1:6
calculate the quantity of mortar in 1m2 of brickwork, say
it is 0.01912.
just devide by the ratio considering 60% for wastage, say
0.01912/1*0.6=0.01147 volume of cement in the mortar.
Divide the total volume of cement by 0.0345 which s the
volume of 1 bag, say 0.01147/0.0345=0.33257/m2*number of
m2, say 100m2=34bags.

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this is jagdesh from vizag, IM GOING 2 ATTEND BHEL
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plzz let me know the pattern & few questions of the
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