A door of length 3m and breadth 2m is fitted in a wall.The length of the wall is 20 m and the breadth is 8m . Find the cost of white washing the wall, if the rate of white washing the wall is rupees 8 per m²
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A door of length 3m and breadth 2m is fitted in a wall.The length of the wall is 20 m and the breadth is 8m . Find the cost of white washing the wall, if the rate of white washing the wall is rupees 8 per m²
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Answer:
area of the door is 3m×2m=6sq m
area of the wall is 20 m×8m=160 sq m
area of the wall for white washing is
(160-6)sq m=154 sq m
cost of white washing is Rs 154×8=Rs1232