12 x 12 blocks (assumed as 12 inch x 12 inch) That means the blocks are 1 square foot each Hence to cover 240 square feet area, you would need 240 blocks
The only information you've given is that there is a surface with an area of 50,000 ft2. We need to know the size of the blocks to know how many are going to fit. If we assume for the blocks length L and width W, then all we can do for now is assume this formula: 50,000 ft2/L*W = number of the blocks needed
0.1 meters is one tenth of a metre so he would need ten blocks to make a row one meter long.
There need not be any as an area can have any shape; for example 4000 sq ft can be a rectangle with side lengths 1 ft and 4000 ft - as this rectangle has a width of 1 ft a 10 ft by 10 ft area cannot be extracted from it. However, if you are asking how many sections with the same area as a square of sides 10 ft can be made in an area of 4000 sq ft, then: 4000 sq ft ÷ (10 ft × 10 ft) = 4000 sq ft ÷ 100 sq ft = 40.
15 blocks. The same steps can be used for going up or down!
A square is 10x10 but now you need to know how many bundles it takes to do a square and that I'm not sure about
one
25
100 of them.
one hundred
Be more specific with your question. Are the blocks measured in inches, feet, millimeters, centimeters etc. Same applies to the area.
16 inch blocks have an area of 16 x 16 = 256 sqinches . You want to cover an area of 61 x 58 = 3538 sqinches. So you need at least 3538/256 = 13.8 blocks.
100
Calculate the exterior face area of he wall you want to build and the face area of the side of the cinder block (add about 1/2 inch to length and 12 inch to width for mortar thickness). Divide the wall area by the block area This is the number of blocks you require. This is how I figure out how many blocks you will need: First measure the length of walls for the blocks in feet. Second divide that number by 4 then multiply the total by 3. That will give you total blocks needed for one course of blocks.
At 4" thick you will need 1.23 cubic yards.
100
12 x 12 blocks (assumed as 12 inch x 12 inch) That means the blocks are 1 square foot each Hence to cover 240 square feet area, you would need 240 blocks