Question

the perimeter of a square is 64 metre the area of rectangle 6 metre square less than the area of given square if the length of the rectangle is 25 metre find its breadth

Answer 1

side of square = p/4 = 64/4 = 16 m
area of square = 16 x 16 = 256 m^2 
as per condition - 
area of rectangle = area of square - 6 
=> 25 x breadth = 250 m^2
=> breadth = 10 m (ANS)

Answer 2

breadth-10 m.i provide the working step if you curious