Question:
Tick (✓) the correct answer
Which of the following numbers is a perfect cube?
(a) 141
(b) 294
(c) 216
(d) 496
Solution:
(a)
141 is not a perfect cube.
(b)
294 is not a perfect cube.
(c) (✓)
216 is a perfect cube.
$216=(2 \times 2 \times 2) \times(3 \times 3 \times 3)=\left(2^{3}\right) \times\left(3^{3}\right)=6^{3}$
(d)
496 is not a perfect cube.