Question

A rectangular field is 432 sqm in area. If the length is decreased by 4m and breadth is increased by 2m, a square ground can be formed. What would be the length of the side of the square ground?
A.18
B.22
C.24
D.20

Answer 1

Given,

120 = 15 × Breadth

120/15 = breadth

8m = breadth 

_________________

Perimeter of rectangle =2(length +breadth)

______________

Perimeter = 2(15 + 8) 

Perimeter = 2 × 23 

Perimeter = 46 m

i hope this will help you

Note :- only method of Solving