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Find the volume $$(in cm^3)$$ of a sphere of diameter 21 cm.
Diameter of sphere = 21 cm
Volume of sphere = $$\frac{4}{3}\times\pi r^3$$
= $$\frac{4}{3}\times\frac{22}{7}\times(\frac{21}{2})^3$$
= $$11\times441=4851$$ $$cm^3$$
=> Ans - (A)
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