Question
The cost of painting is Rs.180 per kilogram. One
kilogram paint covers 30 square feet. How much it will cost to paint a cube having each side 14 feet?Solution
Area of a cube = 6 Ă— side Ă— side 6 Ă— 14 Ă— 14 = 1176sq.feet Cost of painting the cube = 1176/30 Ă— 180 = Rs. 7056
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