Question

A man has to fit a bathroom with square tiles of largest possible size . the size of the bathroom is 5m by 4m . what would be the size of tile required and how many such tiles are required

Answer 1

5 x4=20 square meter that is 20 square of a meter
hence we can bring 5 square of 4 square meter
hence will take 5 squares

Answer 2

largest possible tiles can be
one tile of 16 sqm. and another of 4 sqm.
total 20 sqm