if perfect cube of 8000 is option A 80 B 20 C 10
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Option B 20 is the cube root of 8000 (from what I infer from your question)
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Answer : B 20
Step by Step : The number 8000 on prime factorization gives 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5. On combining the prime factors in groups of 3 gives 20. So, the cube root of 8000 = ∛(2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5) = 20 (perfect cube).
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