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Volume and Surface Area of Solid Figures

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  1. If the total surface area of a cube is 6 sq units, then what is the volume of the cube ?
    1. 1 cu unit
    2. 2 cu units
    3. 4 cu units
    4. 6 cu units
Correct Option: A

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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