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    3. Quantitative Aptitude
    4. Mensuration
    5. The volume of cone is 1320 cm3. If its height is 1.4 cm then find the radius of the cone.

    Question

    The volume of cone is 1320 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 = 1320 Or, r2 = 1320 × (7/11) = 900 Or, r = 30 (since, radius cannot be negative) Therefore, radius of the cone = 30 cm

    Practice Next
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