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A room is 36 m long, 12 m wide and 10 m high . It has 6 window , each3m xx 2.5 m , one door9.5m xx 6 m andone fire chimney4m xx 4.5. Find the expenditure of papering its walls at the rate of 70 paise per metre , if the width of the paper is 1.2 m : |
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Answer» `₹490` |
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