Solution
Let side of cube = $$a$$ cm
=> Volume of cube = $$(a)^3=512$$
=> $$a=\sqrt[3]{512}=8$$ cm
$$\therefore$$ Total surface area of cube = $$6a^2$$
= $$6(8)^2 = 6 \times 64 = 384$$ $$cm^2$$
=> Ans - (C)
Create a FREE account and get:
- Free SSC Study Material - 18000 Questions
- 230+ SSC previous papers with solutions PDF
- 100+ SSC Online Tests for Free
