eisting Im costsRs 20length, breadth and height of a room are S m, 4 m – InterviewSolution

1.	eisting Im costsRs 20length, breadth and height of a room are S m, 4 m and 3 m respectively Find thet of white washing the walls of the room and the ceiling at the rate of2.cosRs 7.50 per m.
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