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The ratio between the length and the perimeter of a rectangular plot is 1 : 3. What is the ratio between the length and breadth of the of the plot ?
Answer & Solution
Correct Answer:
Option
B
$$\eqalign{
& \frac{l}{{2\left( {l + b} \right)}} = \frac{1}{3} \cr
& \Rightarrow 3l = 2l + 2b \cr
& \Rightarrow l = 2b \cr
& \Rightarrow \frac{1}{b} = \frac{2}{1} = 2:1 \cr} $$
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