Q. 24.3( 4 Votes )

Which of the following numbers is a perfect cube?
A. 1152

B. 1331

C. 2016

D. 739

Answer :

Having prime factors of all the numbers we get,


=



4 (not a perfect cube)



=



(perfect cube)


=




(not a perfect cube)


= no prime factors are possible


Hence, only case of 1331 a perfect triplet pair of 11’s is formed, Hence 1331 is a perfect cube.

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