What will be the Smallest Number? If

What is the smallest number by which 625 must be divide so that the quotient is a perfect cube ?

  1. 25
  2. 5
  3. 2
  4. 3
Gaurav Pal Default Asked on 9th July 2015 in Maths.
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1 Answer(s)

Answer: 2. 5;

Explanation:
1.  On dividing 625 by 25 the quotient will 25, but it is not a perfect cube, it is a perfect square; i.e 5*5=25 ,
2.  On dividing 625 by 5 the quotient is 125, it is a perfect cube of 5; i.e. 5*5*5=125,
3.  625 is not completed divide by 2, and
4.  625 is also not divisible by 3.

vijay Professor Answered on 12th July 2015.
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