The length of a plot is four times its breath. A playground measuring 1200 square meters occupies one third of the total area of a plot . what is the length of the plot in meters?
Correct Answer: None of these
Explanation:
Area of the plot = (3 x 1200) m2
= 3600 m2 Let breadth = y meters
Then Length = 4y meters,
Now area = 4y x y = 3600 m2
⇒ y2 = 900 m2
⇒ y = 30 m ∴ Length of plot = 4y m
= (4 x 30) m
=120 m
