the length and breadth of a rectangular piece of land are in ratio 5 is to 3. if the total cost of fencing it at rate of rs. 24 per metre is 9600 rs. Find its area and cost of levelling at the rate of rs. 60 per m^2.
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Length = 5x and breadth be 3x
2 (5x + 3x) 16x is perimetre perinetre = 960 0/24 = 400 16x = 400 , x = 25 , length = 125 m bregth = 75 m , area = 75 into 25 = 1875 1875 into 60 = 11250 metre square
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