The ratio of the length and breadth of a rectangular plot is 7 : 5. If the perimeter is 480 meters, find the area of the plot.

परिमाप = 2(7x + 5x) = 24x। 24x = 480 -> x = 20। लंबाई = 140 मीटर, चौड़ाई = 100 मीटर। क्षेत्रफल = 140 * 100 = 14,000 वर्ग मीटर।