Answer / naresh

1 cum block work blocks should be required
33cm=330mm
20cm=200mm
17cm=170mm
so
330mmx200x170mm
Add 10mm mortar
340x210x170=.012138 cum
so 1 cum= 1/.012138=82 Nos of block

Answer / ronak shah

i have consider 15mm mortar bedding.

and add 5% of block wastage of blocks.

consumption per 1 m3

cement bags=0.79m3
sand = 5.90 cft
blocks= 77 nos (including wastage).

Answer / guest

90nos

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