Question

Square tiles are used to cover the floor of a rectangular room. The rectangular room is 10 tiles long and 5 tiles wide. Find the number of tiles which touch the walls of the room.

Answer 1

10*5=50 area of rectangle ,hcf ofarea=5
then area of square=5*5=25
then no of tiles=50/25=2

Answer 2

the question is about finding the number of tiles that touch the walls