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1. |
A hollow sphere is melted to form small identical hollow spheres. Inner and outer radius of the bigger sphere are 4 cm and 6 cm respectively. If inner and outer radii of the smaller sphere are 2 cm and 3 cm respectively, then how many smaller spheres can be formed? |
A. | 4 |
B. | 8 |
C. | 6 |
D. | 12 |
Answer» C. 6 | |