Question

Tick (✓) the correct answer
Which of the following numbers is a perfect cube?
(a) 141
(b) 294
(c) 216
(d) 496

Answer 1

(a)
141 is not a perfect cube.

(b)
294 is not a perfect cube.

(c) (✓)
216 is a perfect cube.
216 = $\left(2\times 2\times 2\right)\times \left(3\times 3\times 3\right)=\left(2^3\right)\times \left(3^3\right)=6^3$

(d)
496 is not a perfect cube.