28. A class room is 7m long, 6.5m wide and 4m high. It has one door 3m – InterviewSolution

1.	28. A class room is 7m long, 6.5m wide and 4m high. It has one door 3m X 14m and threwindows measuring 2m x 1m. The interior walls are to be painted. Find the cost of painting atthe rate of Rs 3.50 per m2
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