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The inner circumference of a circular track is 440 m and the track is 14m wide. Calculate the cost of levelling the track at the rate of 25 paise per sq. m. Also find the cost of fencing the outer circle at the rate of Rs. 5 per m. $left parenthesis space U s e space straight pi space equals space 22 over 7 right parenthesis$

Solution

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Ans. Rs. 2640

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