The Smallest Number by Which 512 is Multiplied So That the Product is a Perfect Cube is

  1. 10
  2. 7
  3. 8
  4. 9
Monis Rasool Professor Asked on 15th September 2015 in Maths.
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  • 1 Answer(s)

    Answer: (3) 8

    Explanation:-
    The factors of 512 =  2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2
    If multiply by 8
    Then, the factors  = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2
    Then, the number is cube of 2 x 2 x 2 x 2 = 16.

    Hence, the answer is (3) 4.

    Anurag Mishra Professor Answered on 15th September 2015.
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