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Discussion

Mathematics Preparation for SAT
(146)

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A sphere of radius 2 cm is put inside a hollow sphere of outer radius 10 cm. If the inner volume of the hollow sphere is 76/3 cm3, find the inner radius of the hollow sphere.

 
9.9 cm
9 cm
3 cm
7.9 cm
11 cm

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Rahul S

"If the inner volume of the hollow sphere" should say that it is hollow volume and not total volume