Q21
Twenty-nine times the area of a square is one square metre less than six times the area of the second square and nine times its side exceeds the perimeter of other square by 1 metre. The difference in the sides of these squares is :
A.
5 m
B.
m
C.
6 m
AnswerD.
11 m
Answer: Option C
Solution
Answer: Option C
Solution:
Let the sides of the two squares be x metres and y metres respectivelyThen,
And,
From (i) and (ii), we get :