Answer / aijaz mirza

If we are taking block size (20x20x40)then, 1/.4+.01=2.43
2.43/.2+.01=11.57~12 blocks
Where .01 mortar in mm
.4 is length of block
.2 depth of block
Now for 15 cum area will cover by 12x15=180 blocks

Answer / chirag suthar

>using 6inch ACC block ...55.no.of block used in 1cu.m(cost:3410 for 1cum wall),,,... if ur wall 15cu.m,....so total cost=3410x15=51150/-.

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