When a number is a multiple of 5 what are the possible values for one digit

5,10,15,20,25,30,35,40,45,50,55,60,65,70,75,80,85,90,95,100 etc.

The lateral surface of an object is the area of all the sides of the object, excluding the area of its base and top. For a cube, the lateral surface area would be the area of four sides.For a pyramid, the lateral surface area is the sum of the areas of all of the triangular faces but excluding the area of the base.