A room 9m long, 6m broad and 3.6m high has one door 1.4 m by 2m and two windows, each 1.6m by 75 cm. Find the cost of painting its ceiling at Rs 25 per m square
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Step-by-step explanation:
Area of the ceiling of the room = (l×b)sq. units
= (9×6)m²
= 54m²
Cost of painting the ceiling per m² = ₹25
So, cost of painting 54 m² = ₹(25 × 54)
=₹1350
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