a door of length 2m and breadth 1.5m is fitted in a wall. The length and breadth of a wall are 6m and 3.5m respectively. Find the cost of white washing the wall at the rate of ₹25 per sq.m
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Step-by-step explanation:
total area to be whitewashed = area of wall - area of door = (6 x 3.5) - (2 x 1.5) = 18 m²
cost per m² = ₹ 25
total cost =18 x 25 = ₹ 450 /-
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