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If the total surface area of a cube is 6 sq units, then what is the volume of the cube?

1 cu unit
2 cu units
4 cu units
6 cu units

Correct Answer: 1 cu unit

Explanation:

Total surface area of a cube = 6a²
⇒ 6 = 6a²
⇒ a² = 1
∴ a = 1
Now, volume of the cube = a³ = 1³ = 1 cu unit

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