Search found 34 matches
- by calande
Mon Jun 20, 2011 10:45 pm- Forum: Suggestions and Feedback
- Topic: How do I change my profile email address?
- Replies: 3
- Views: 3469
- by calande
Wed Jun 11, 2008 9:32 pm- Forum: GMAT Strategy
- Topic: Poor score. Suggestions?
- Replies: 2
- Views: 1468
Poor score. Suggestions?
Hi guys, I started working on the GMAT 2 months ago on a daily basis. I spend around 10 hours a day on the test prep. I have done all exercises of the following books several times: Kaplan Premier, GMAT 800, and GMAT Review Official Guide. I have also trained with CD-ROMs. But I take a long, long ti...
- by calande
Wed Jun 11, 2008 4:04 am- Forum: GMAT Strategy
- Topic: Poor score. Suggestions?
- Replies: 2
- Views: 1468
We know that r is positive and r ² is an integer. Let's take two examples: 1) If r = 2, it is positive; 2² = 4 which is an integer, but √2 = 1.41, which is not an integer 2) If r = 4, it is also positive; 4² = 16 which is an integer, and √4 = 2, which is an integer. Sometimes yes...
- by calande
Fri Jun 06, 2008 12:07 am- Forum: Data Sufficiency
- Topic: I think there's a mistake...
- Replies: 4
- Views: 1644
Thanks Jason. Your method works only for even numbers, right? I tried to calculate √529 with your method and dividing 529 by 2 doesn't yield an integer...How would you do in this case?
- by calande
Thu Jun 05, 2008 1:52 am- Forum: GMAT Math
- Topic: Quick way to calculate square root of large number?
- Replies: 48
- Views: 342825
- by calande
Tue Jun 03, 2008 8:09 am- Forum: GMAT Math
- Topic: Quick way to calculate square root of large number?
- Replies: 48
- Views: 342825
Quick way to calculate square root of large number?
Hi guys,
Do you know how to calculate quickly √576 ?
What's your method?
Thanks
- by calande
Tue Jun 03, 2008 5:54 am- Forum: GMAT Math
- Topic: Quick way to calculate square root of large number?
- Replies: 48
- Views: 342825
- by calande
Tue Jun 03, 2008 3:33 am- Forum: Data Sufficiency
- Topic: I think there's a mistake...
- Replies: 4
- Views: 1644
I think there's a mistake...
Hi, Here's a DS question that I found in my book: If r > 0, is √r an integer? (1) r ² is an integer. (2) r = m ², where m is an integer. The answer is supposed to be B but I think it's E, right? In statement #2, if m = 1, then r = 1 and √r isn't an integer. But if m = 2, r = 4 an...
- by calande
Tue Jun 03, 2008 2:01 am- Forum: Data Sufficiency
- Topic: I think there's a mistake...
- Replies: 4
- Views: 1644
- by calande
Sat May 31, 2008 1:51 am- Forum: Critical Reasoning
- Topic: Opinion on the Homeless
- Replies: 6
- Views: 2784
- by calande
Fri May 30, 2008 10:55 pm- Forum: The Application Process
- Topic: Comparative chart of top 20 business schools?
- Replies: 7
- Views: 5505
- by calande
Fri May 30, 2008 10:53 pm- Forum: Problem Solving
- Topic: Isolating a variable
- Replies: 4
- Views: 2001
- by calande
Fri May 30, 2008 1:24 pm- Forum: Problem Solving
- Topic: Isolating a variable
- Replies: 4
- Views: 2001
Here's the answer of my text book: Possible strengthener for the perception of the majority of the public about the homeless: The untreated mentality ill are more likely than others to succomb to illegal drug use. Possible weakener for the perception of the public about the homeless: Mentally ill pe...
- by calande
Fri May 30, 2008 1:10 pm- Forum: Critical Reasoning
- Topic: Opinion on the Homeless
- Replies: 6
- Views: 2784
Isolating a variable
8)If b ≠ 1, what is the value of a in terms of b if (ab) / (a-b) = 1 ?
(A) b / (1-b)
(B) (b - 1) / b
(C) b / (b + 1)
(D) (b + 1) / b
(E) (1 - b) / b
- by calande
Fri May 30, 2008 7:15 am- Forum: Problem Solving
- Topic: Isolating a variable
- Replies: 4
- Views: 2001