If 31*k is a perfect cube then the value of k is
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961
is the correct answer
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Answer:
Forperfectcubicrootof72×K
72K=2×2×2×2×3×3×K
ifK=3Ans−
Thenitisperfectcubicroot
2×2×2×3×3×3=2
3
.3
3
=6
3
=216
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