The length of a rectangular plot is increased by 25%. To keep its area unchanged, the width of the plot should be
- Kept unchanged
- Increased by 25%
- Increased by 20%
- Reduced by 20%
The Correct Option is D
Solution and Explanation
Let length of rectangular plot be 4 m and width be 10 m
Area = lb = 40m2
After length is increased by 25%, new length = 5m
New width if area is same =\(\frac{40}{5}=8\) m
Therefore, Reduction in width =\(\frac{(10-8)}{10}\times100\)
The correct answer is (D): Reduced by 20%
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