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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(iii) 243

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