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    5. The solid spheres of radius 3 cm, 4 cm and 5 cm are melted and recasted into a solid sphere. What wi

    Question

    The solid spheres of radius 3 cm, 4 cm and 5 cm are

    melted and recasted into a solid sphere. What will be the percentage decrease in the surface area?
    A 14 percent Correct Answer Incorrect Answer
    B 12 percent Correct Answer Incorrect Answer
    C 16 percent Correct Answer Incorrect Answer
    D 28 percent Correct Answer Incorrect Answer

    Solution

    The correct answer is D

    Practice Next
      More Previous year papers Questions
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    • What is the main purpose of buffer stock in India?

    • Which project assesses the impact of climate change on agriculture in India?

    • Age, Sex and caste indicate:

    • The wings of butterfly and birds are:

    • Which of the following is the post harvest physiological disorder of mango

    • Name the scheme, under which agro forestry is being promoted for additional income.

    • Which is the first step of extension educational process?

    Relevant for Exams:

    • IB ACIO Executive

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