Question
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?
Answer: Option C
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Let breadth = x metres.
Then, length = (x + 20) metres.
Perimeter = \(\left(\frac{5300}{26.50}\right)m.=200m.\)
So, 2[(x + 20) + x] = 200
2x + 20 = 100
2x = 80
x = 40.
Hence, length = x + 20 = 60 m.
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