A sphere is to be formed by melting smaller sphere cubes of diameter 20 mm. The sphere needs to be placed inside a

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A sphere is to be formed by melting smaller sphere cubes of diameter 20 mm. The sphere needs to be placed inside a cuboid of length 60 cm, width 50 cm, and height 40 cm such that it covers the maximum possible volume. How many smaller cubes are needed?

A. 8
B. 80
C. 800
D. 8000
E. 80000


OA D

Source: e-GMAT