The cost of painting the inner curved surface area of a cylindrical co – InterviewSolution

1.	The cost of painting the inner curved surface area of a cylindrical container of depth 20 m is ₹ 8800. If the painter charges ₹ 40 per metre square to paint the cylindrical container, then find its radius in metre. [ Take π=227 ]1.75
Answer» The cost of painting the inner curved surface area of a cylindrical container of depth 20 m is ₹ 8800. If the painter charges ₹ 40 per metre square to paint the cylindrical container, then find its radius in metre. [ $Take π = \frac{22}{7}$ ] 1.75

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