Which among the following are correct?
A. A cube with sides of 7 cm has a volume of 343 cm3.
B. A cube with sides of 9 cm has a volume of 719 cm3.
C. A cube with sides of 11 cm has a volume of 1321 cm3.
D. A cube with sides of 12 cm has a volume of 1708 cm3.
E. A cube with sides of 13 cm has a volume of 2197 cm3.
Choose the correct answer from the options given below:
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → A and E only
The volume of a cube is side × side × side (side3).
A. A cube with sides of 7 cm has a volume of 343 cm3. Correct. \(7\times7\times7=343\), as stated.
B. A cube with sides of 9 cm has a volume of 719 cm3. Incorrect. \(9\times9\times9\) is 729, not 719.
C. A cube with sides of 11 cm has a volume of 1321 cm3. Incorrect. \(11\times11\times11\) is 1331, not 1321.
D. A cube with sides of 12 cm has a volume of 1708 cm3. Incorrect. \(12\times12\times12\) is 1728, not 1708.
E. A cube with sides of 13 cm has a volume of 2197 cm3. Correct. \(13\times13\times13=2197\), as stated.