Question

3. A tiled floor of a room has dimensions
m x m sq.m. Dimensions of the tile used are
nxn sq.m. All tiles used are green tiles except
diagonal tiles which are red. After some years
some green tiles are replaced by red tiles to form
an alternate red and green tile pattern. How
many green tiles are removed?
(m != n and total number of tiles are odd)​

Answer 1

Answer:

(m-2n)^2-n^2/2n^2

Step-by-step explanation:

see above