Find the cube root of 2744.

Correct answer: 14. 14 × 14 × 14 = 2744, so the cube root is 14.

Background: 2744 ends in 4, so its cube root must also end in 4.

• 12: 12³ = 1728, not 2744.
• 16: 16³ = 4096, not 2744.
• None of these: “None of these” is incorrect because 14 is correct.

Did you know? Perfect cubes to remember: 1, 8, 27, 64, 125, 216, 343, 512, 729, 1000.

Memory trick: Last digit 4 → cube root ends in 4.