Question

$3375$

Answer 1

Step $I$: Form groups of $3$ starting from right most digit of $3375$, i.e. $\overline{3}\overline{375}$.

Then, the two groups are $3$ and $375.$

Here, $3$ has $1$ digit and $375$ has $3$ digit.

Step $II$: Take $375$.

Digit in unit place $=5$.

Therefore, we take one's place of required cube root as $5$ ....[Since, $5^3=125$].

Step $III$: Now, take the other group $3$.

We know, $1^3=1$ and $2^3=8$.

Here, the smallest number among $1$ and $2$ is $1$.

Therefore, we take $1$ as ten's place.

$\therefore \sqrt[3]{33375}=15$.