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The surface area of a cube is 726 m 2. Its volume is?

1300 m3
1331 m3
1452 m3
1542 m3

Correct Answer: 1331 m3

Explanation:

Surface area = 6a² = 726
⇒ a² = 121
⇒ a = 11 cm
∴ Volume of the cube = (11 x 11 x 11) cm³
= 1331 cm³

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