Question
A rectangular ground is fenced at a cost of Rs. 2880 at
the rate of Rs. 6 per metre. If the ratio of its length to breadth is 3:2, find the length of the ground.Solution
Perimeter of the ground = (2880 ÷ 6) = 480 metres Let the length and breadth of the ground be 3x metres and 2x metres respectively ATP, 2(3x + 2x) = 10x 10x = 480 x = 48 Length of the rectangle = 3 × 48 = 144 metres
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