There are 10 blocks in a square meter
Depends entirely on the size of the individual blocks !
It depends on the size of the concrete blocks
The answer will depend on the orientation of the blocks. It will be between 13 and 25.
It depends on the orientation of the blocks.
10 cm = 0.1 meter 20 cm = 0.2 meter Each block covers (0.1 x 0.2) = 0.02 square meter. To cover 12 square meters, you need 12/0.02 = 600 blocks.
1 block is a meter or 1 cubic meter
60 per single thin wall.
100
The answer will depend on the size of the blocks.
blocks of what size
60 blocks make a metre square