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By which smallest natural number 392 must be multiplied so as to make the product a perfect cube ?
  • a)
    2  
  • b)
    14
  • c)
    7                                
  • d)
    49
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
By which smallest natural number 392 must be multiplied so as to make ...

392 = 2 × 2 × 2 × 7 × 7
Hence the number should be multiplied by 7 to make it a perfect cube.
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Most Upvoted Answer
By which smallest natural number 392 must be multiplied so as to make ...
392 = 2 X 196
= 2 X 2 X 98
= 2 X 2 X 2 X 49
= 2 X 2 X 2 X 7 X 7
Thus 392 is not a perfect cube.
To make it a perfect cube multiply 392 with 7.
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Community Answer
By which smallest natural number 392 must be multiplied so as to make ...

392 = 2 × 2 × 2 × 7 × 7
Hence the number should be multiplied by 7 to make it a perfect cube.
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By which smallest natural number 392 must be multiplied so as to make the product a perfect cube ?a)2 b)14c)7 d)49Correct answer is option 'C'. Can you explain this answer?
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