28. Exemplar Exercise Problems X

A factory manufactures \(120000\) pencils daily. The pencils are cylindrical in shape each of length \(25\) \(cm\) and circumference of base as \(1.5\) \(cm\). Determine the cost of colouring the curved surfaces of the pencils manufactured in one day at \(Rs.0.05\) per \(dm^2\).

 

Total cost \(=Rs.\)