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Is the integer n equal to 25 ?

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Re: Is the integer n equal to 25 ?

by swerve » Tue Feb 09, 2021 3:44 am

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BTGmoderatorDC wrote: ↑
Mon Feb 08, 2021 4:42 pm
 Is the integer n equal to 25 ?

(1) n is the square of an integer.
(2) 15 < n < 37


OA E

Source: GMAT Prep
Statement 1. \(N\) is the square of an integer!
But what integer?
\(2, 3, 4, 5\) Not Sufficient \(\Large{\color{red}\chi}\)

Statement 2: \(15 < n < 37\)
There are \(21\) no. Lie in between the equation. Which one is the \(N.\) Not Sufficient \(\Large{\color{red}\chi}\)

Statement 1 and 2: \(15 < n < 37 \& n\) is the square of an integer.
There are three square values existing between the values.
\(16, 25, 36\) (definitely not sufficient to know whether \(n\) is \(25\) or not) Not Sufficient \(\Large{\color{red}\chi}\)

Therefore, E
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