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Problem Solving (PS) | Re: If n/2 is the cube of a positive integer and n/3 is the square of

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AnujL wrote:

gmatophobia how did we determine that n is even ?


AnujL refer to this statement -

\(\frac{n}{2}\) is the cube of a positive integer.


Inference:
1) n must have a 2 in the first place for us to perform the division operation; The result of the operation \(\frac{ n}{2}\) is an integer, so n = some integer * 2
2) If n = some integer * 2, n is even.

Hope this helps !

Statistics : Posted by gmatophobia • on 07 Jul 2023, 11:45 • Replies 3 • Views 176



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