MCQ
By what number should we divide $135$ to get a perfect cube?
- ✓$5$
- B$7$
- C$9$
- D$3$
✓
Answer
Correct option: A.
$5$
$135 = 3 \times 3 \times 3 \times 5$
We can see, $5$ is the extra number which cannot be paired in a group of $3$.
Hence, $\frac{135}{5}=27$
We can see, $5$ is the extra number which cannot be paired in a group of $3$.
Hence, $\frac{135}{5}=27$
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