Question

    A big spherical besan ladoo of radius 810cm is broken

    into smaller spherical laddoos of radius 90cm. Find the ratio of the total surface area of all the small laddoos taken together to the surface area of the big laddoo.
    A 8:3 Correct Answer Incorrect Answer
    B 9:1 Correct Answer Incorrect Answer
    C 2:7 Correct Answer Incorrect Answer
    D 1:9 Correct Answer Incorrect Answer

    Solution

    The correct answer is B

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