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: D. None of These
- A. 40
- B. 50
- C. 120
- D. None of These
Explanation
The total perimeter is Rs 5300 ÷ Rs 26.50 per metre = 200 m, so length plus breadth is 100 m. With length 20 m more than breadth, L = B + 20 m; therefore 2B + 20 m = 100 m, giving B = 40 m and L = 60 m. Since 60 m is not listed, option d, None of These, is appropriate.
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