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    Question

    The volume of cone is 1597.2 cm3. If its

    height is 1.4 cm then find the radius of the cone.
    A 30 cm Correct Answer Incorrect Answer
    B 24 cm Correct Answer Incorrect Answer
    C 27 cm Correct Answer Incorrect Answer
    D 33 cm Correct Answer Incorrect Answer

    Solution

    Let the radius of the cone be ‘r’ cm Therefore, (1/3) × (22/7) × r2 × 1.4 = 1597.2 Or, r2 = 1597.2 × (7/11) = 1089 Or, r = 33 (since, radius cannot be negative) Therefore, radius of the cone = 33 cm

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