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    Question

    Find the volume of a cylinder of radius 3.5 cm and

    height 10 cm. (Take  π  = 22/7).
    A 245 cm³ Correct Answer Incorrect Answer
    B 320 cm³ Correct Answer Incorrect Answer
    C 385 cm³ Correct Answer Incorrect Answer
    D 440 cm³ Correct Answer Incorrect Answer

    Solution

    ATQ, V = πr2h r = 3.5 => r2 = 12.25 V = (22/7)12.2510 12.2510 = 122.5 122.5/7 = 17.5 V = 2217.5 = 385 cm3

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