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mediumMCQUPTET Paper 2 (Maths & Science)2018Mathematics and Science
1 mark

The smallest number, which multiplies to to get a perfect cube, is

  1. A
  2. B
  3. C
  4. D

Solution & Step-by-step Explanation

1. Find the prime factorization of :






For a number to be a perfect cube, the exponents of all its prime factors must be multiples of 3.In the factorization , the prime factor 11 forms a perfect triplet (), but the prime factor 5 only has a power of 2 (). To form a triplet (), we need to multiply by one more 5.Therefore, the smallest number required is 5.

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The smallest number, which multiplies to to get a perfect cube, is
A
B
C
D

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