1.Cost of ploughing at the rate of Rs. 10 per m2 is Rs. 1,540. Findthe – InterviewSolution

1.

1.Cost of ploughing at the rate of Rs. 10 per m2 is Rs. 1,540. Findthe radius of the circular field. 1 Ď =

Answer»

Area = 1540/10 = 154 m²

Area of Circle = πr² => πr² = 154=> r² = (154 * 7)/(22)=> = 49=> r = 7m

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