We have given that the edge of cube = 10 cm
and the Radius of the largest possible cone = 5 cm as side is 10 cm
the height of cone = 10 cm same as cube
Volume of Cone = \(\frac{1}{3} \pi r^2h\)
= \(\frac{1}{3} × \frac{22}{7} × (5)^2 × 10\)
\(\frac{25 ×220}{21}\) = \(261.9\ cm^3\)
The correct option is (C): 261.9