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If x is a positive integer, is \sqrt{x} an integer?

Data Sufficiency

Why is the OA A?

2*sqrt(x)=INT

2*sqrt(x)=1 --> sqrt(x)=0.5
2*sqrt(x)=2 -- sqrt(x)=1 ??

by pims

Wed Dec 03, 2014 12:33 am
Forum: Data Sufficiency
Topic: If x is a positive integer, is \sqrt{x} an integer?
Replies: 3
Views: 1612

If x is a positive integer, is \sqrt{x} an integer?

Data Sufficiency
If x is a positive integer, is \sqrt{x} an integer?

If x is a positive integer, is \sqrt{x} an integer?

(1) sqrt(4x) is an integer.

(2) sqrt(3x) is not an integer.


OA:A

by pims

Wed Dec 03, 2014 12:31 am
Forum: Data Sufficiency
Topic: If x is a positive integer, is \sqrt{x} an integer?
Replies: 3
Views: 1612

Is xy > 0

Data Sufficiency

Rich ?

by pims

Mon Jul 21, 2014 6:48 am
Forum: Data Sufficiency
Topic: Is xy > 0
Replies: 8
Views: 4471

Inequality 3

Data Sufficiency

Rich?

by pims

Wed Jul 16, 2014 1:36 am
Forum: Data Sufficiency
Topic: Inequality 3
Replies: 14
Views: 4824

If x is not equal to 0, is |x| less than 1?

Problem Solving

Rich, could you provide a solution as well?

by pims

Wed Jul 16, 2014 1:20 am
Forum: Problem Solving
Topic: If x is not equal to 0, is |x| less than 1?
Replies: 12
Views: 11667

Is xy > 0?

Data Sufficiency

Thanks Rich,

I had the same solution as you for A and B separately. I just don't know how to approach the combined statements.

by pims

Wed Jul 09, 2014 8:53 am
Forum: Data Sufficiency
Topic: Is xy > 0?
Replies: 4
Views: 1785

when working with overseas clients-GMAT prep2

Sentence Correction

Could someone provide a more detailed explanation?

by pims

Wed Jul 09, 2014 8:43 am
Forum: Sentence Correction
Topic: when working with overseas clients-GMAT prep2
Replies: 7
Views: 4141

Is xy > 0?

Data Sufficiency
Is xy > 0?

Is xy > 0?

(1) x-y > -2
(2) x-2y < -6

OA: C

by pims

Wed Jul 09, 2014 8:20 am
Forum: Data Sufficiency
Topic: Is xy > 0?
Replies: 4
Views: 1785

Buy e-GMAT account

GMAT Strategy
Buy e-GMAT account

Hello,

is s.o. willing to sell me his/her e-Gmat account?
SC, CR, OR RC is suffcient. I don't need the live classes.

by pims

Tue Jul 08, 2014 2:29 am
Forum: GMAT Strategy
Topic: Buy e-GMAT account
Replies: 1
Views: 1666

Terrible recommendation letter - how to delete it?

The Application Process
Terrible recommendation letter - how to delete it?

One of my two recommenders submitted all her letters and then emailed me a copy of one. She has damned me with very faint praise. I think I have two options: 1. Contact the schools and ask them to delete the letter, saying I've decided to use a different recommender, or 2. Abandon this application a...

by pims

Mon Nov 21, 2011 6:54 pm
Forum: The Application Process
Topic: Terrible recommendation letter - how to delete it?
Replies: 5
Views: 4202