The area of a rectangle is thrice that of a square. If the length of the rectangle is 40 cm and its breadth is $$\frac{3}{2}$$ times that of the side pf the square, then the side if the square is :
A. 15 cm
B. 20 cm
C. 30 cm
D. 60 cm
Answer: Option B
Solution(By Examveda Team)
Let the side of the square be x cmThen, its area = x2 cm2
Area of the rectangle = 3x2 cm2
∴ 40 × $$\frac{3}{2}$$ × x = 3x2
⇔ x = 20 cm
Related Questions on Area
A. 15360 m2
B. 153600 m2
C. 30720 m2
D. 307200 m2
E. None of these
A. 2%
B. 2.02%
C. 4%
D. 4.04%
E. None of these
A. 16 cm
B. 18 cm
C. 24 cm
D. Data inadequate
E. None of these
The percentage increase in the area of a rectangle, if each of its sides is increased by 20% is:
A. 40%
B. 42%
C. 44%
D. 46%
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