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    Question

    Let r₁ and r₂ be the radii of spheres A and B

    respectively such that r₁ + r₂ = 9 units. The sum of the volumes of A and B is 792 cubic units. Find the value of r₁² + r₂ ². (Use π = 22/7) 
    A 53 Correct Answer Incorrect Answer
    B 45 Correct Answer Incorrect Answer
    C 65 Correct Answer Incorrect Answer
    D 41 Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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