On the wall of science exhibition room, square part of length 12 m is to be painted. What is the cost of painting the wall, with labour at the rate of Rs.10 per 1 sq m?
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Rs 120 is cost of paint
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Answer:
Length = 12m
Area of a square = side² = 12² = 144m²
Cost of painting per sq m = Rs. 10
Total cost of painting the wall = 144 × 10 = 1440 Rs.
Therefore, Answer=Rs.1440
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