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The length and the breadth of arectangular plot are in the ratio of 5 : 3.Theowner spends 3000 forsurrounding it from all the sides at therate of * 7.5 per metre. What is thedifference between the length andbreadth of the plot? [SSC CGL 2008](a) 50 m(b) 100 m(C) 75 m(d) 60 m |
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Answer» Answer: FORMULA for the perimeter of a RECTANGLE is 2(l + b) ➡ 2(l + b) = 220m ➡ 2(7x + 4x) = 220m ➡ 7x + 4x = 220/2 ➡ 11X = 110m ➡ X = 110/11 ➡ x = 10m |
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