The area of a rectangle is thrice that of a square. The length of the rectangle is 20 cm and the breadth of the rectangle is $$\frac{3}{2}$$ times that of the side of the square. The side of the square, (in cm) is
A. 10
B. 20
C. 30
D. 60
Answer: Option A
Solution (By Examveda Team)
Let the side of square = a cmAccording to the question,
$$l$$ × b = 3a2
20 × $$\frac{3}{2}$$ = 3a2
a = 10 cm
This Question Belongs to Arithmetic Ability >> Mensuration 2D
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