Question

$3 \sqrt{125 \times 27}$
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Answer 1

$\sqrt[3]{125 \times 27} \\ = > \sqrt[3]{5 \times 5 \times 5 \times 3 \times 3 \times 3} \\ = > \sqrt[3]{5 \times 5 \times 5} \times \sqrt[3]{3 \times 3 \times 3} \\ = > 5 \times 3 \\ = > 15$

Answer 2

Answer=15
Prime factorising, we get,
125=5×5×5
and 27=3×3×3.

Then,
3 root 125×27=3root125 and 3root27
So the answer is 15