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and the four walls at the rate of 19 per m2.4. An open tank is in the shape of a cube. Themeasure of its inner edge is 25 cm. Calculatethe cost of painting the inner sides at the rateof 0.15 per sq cm. |
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Answer» Total surface area of cube = 6a² = 6*25² = 3750 cm² Cost = 3750*0.15 = 562.5 rupees |
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