A door of length 3 m and breadth 2 m is fitted in a wall. The length – InterviewSolution

1.	A door of length 3 m and breadth 2 m is fitted in a wall. The length of thewall is 20 m and the breadth is 8 m.Find the cost of white washing the wall,if the rate of white washing the wall is8 per mm?
Answer» WHITE washing AREA = WALL's area - door's area= = 20×8m²-3×2m²= 160m²-6m²= 154m²1m² white washing cost = ₹8154m² white washing cost = ₹8×154= ₹1232

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