ABC26GN4839 · Volume and Surface Area

Subject: General Aptitude · Chapter: Volume and Surface Area · Exam: · Marks: · Difficulty:

The perimeter of one face of a cube is 20 cm. Its volume must be

(a)$125 \mathrm{cm}^{3}$

(b)$400 \mathrm{cm}^{3}$

(c)$1000 \mathrm{cm}^{3}$

(d)$8000 \mathrm{cm}^{3}$

Answer

Answer (as printed): A

Explanation

Edge of the cube $=\left(\frac{20}{4}\right) \mathrm{cm}=5 \mathrm{cm}$. $$\text { ∴ } \text { Volume }=(5 \times 5 \times 5) \mathrm{cm}^{3}=125 \mathrm{cm}^{3} .$$

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