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The length and breadth of a park are in the ratio `2:1` and its perimeter is 240 m. a path of 2 m wide runs inside it, along boundary. Find the cost of paving the path at Rs.3 per `m^2` .

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RD SHARMA ENGLISH-MENSURATION-1-All Questions
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  20. Find the area of a parallelogram with base 5 cm and altitude 4.2 cm...

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