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The length of a rectangular plot is 20 metres more than its breadth. If the cost of fencing the plot @ 26.50 per metre is Rs. 5300, what is the length of the plot in metres?

Correct Answer: None of these

Explanation:

Let breadth = x metres.


Then, length = (x + 20) metres.



Perimeter = 5300 m = 200 m.
26.50


∴ 2[(x + 20) + x] = 200


⟹ 2x + 20 = 100


⟹ 2x = 80


x = 40.


Hence, length = x + 20 = 60 m.


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