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    Question

    A right cylindrical pillar has a radius of 24 cm and a

    height of 63 cm. If the cost of painting is Rs. 15 per square centimeter, what would be the total cost of painting the curved surface of the pillar? {Take π = (22/7)}
    A Rs. 1,42,560 Correct Answer Incorrect Answer
    B Rs. 1,38,540 Correct Answer Incorrect Answer
    C Rs. 1,48,840 Correct Answer Incorrect Answer
    D Rs. 1,44,360 Correct Answer Incorrect Answer

    Solution

    Curved surface area of the cylindrical pillar = 2 X (22/7) X 24 X 63 = 9504 cm2 So, total cost of painting = 9504 X 15 = Rs. 1,42,560

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