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.
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.
It depends on the orientation of the 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