Search found 183 matches
- by Fractal
Thu Sep 22, 2011 11:03 am- Forum: Data Sufficiency
- Topic: Is xy > 0?
- Replies: 6
- Views: 1572
please note the following rules: you CAN add inequalities with the same direction, and you can subtract opposite inequalities, but not the other way around. For example, since we know that: 5 > 4 and 3 > 1 we can add them and know that: 8 > 5 but we can't subtract them and get: 2 > 3 (WRONG!) Howeve...
- by Fractal
Thu Sep 22, 2011 11:01 am- Forum: Data Sufficiency
- Topic: Is xy > 0?
- Replies: 6
- Views: 1572
Easy approach:
6 Machines --> 12 days
x Machines --> 8 days
8 * 1.5 = 12
so 6 * 1.5 = 9
done in some seconds
- by Fractal
Thu Sep 22, 2011 10:19 am- Forum: Problem Solving
- Topic: Six machines each working at same constant rate together can
- Replies: 23
- Views: 18226
AWA needed?
I did the GMAT last year and got a 5 in the AWA.
On Saturday, I will take the GMAT again. Do I need to write the AWA again for applying at Business Schools? I just heard about a guy who didn't write the essays a second time.
I suppose that it also depends on the Business School....
Thx a lot.
- by Fractal
Thu Sep 22, 2011 8:15 am- Forum: GMAT Essays (AWA)
- Topic: AWA needed?
- Replies: 1
- Views: 1160
Yes. You are right. Verb modifiers may or may not touch the noun depending on the context unlike noun modifiers. But in this sentence... The fight over the speed limit, regarded by opponents as ineffective and meddlesome and by supporters as a conserver of life and energy, continues in our legislat...
- by Fractal
Thu Sep 22, 2011 1:43 am- Forum: Sentence Correction
- Topic: reference
- Replies: 4
- Views: 1270
I just typed up this detailed explanation to address a specific question and figured that I might as well share it with everyone! Coin flip strategies There are numerous ways to solve coin flip questions. One of the quickest is to apply the coin flip formula. The probability of getting exactly k re...
- by Fractal
Wed Sep 21, 2011 1:27 pm- Forum: GMAT Math
- Topic: Coin flip questions made easy
- Replies: 69
- Views: 137655
The fight over the restriction, regarded by opponents as unjustified, continues in our legislature. Can regarded refer to "fight" as well as to "restriction", depending on the context? thx Another example: The fight over the speed limit, regarded by opponents as ineffective and ...
- by Fractal
Wed Sep 21, 2011 12:28 pm- Forum: Sentence Correction
- Topic: reference
- Replies: 4
- Views: 1270
reference
The fight over the restriction, regarded by opponents as unjustified, continues in our legislature.
Can regarded refer to "fight" as well as to "restriction", depending on the context?
thx
- by Fractal
Wed Sep 21, 2011 12:14 pm- Forum: Sentence Correction
- Topic: reference
- Replies: 4
- Views: 1270
- by Fractal
Wed Sep 21, 2011 12:07 pm- Forum: Sentence Correction
- Topic: Speed limit - long one!
- Replies: 282
- Views: 109928
I think that the following sentences are correct:
A
B
F
H
But I am not sure!
Could an expert confirm with the appropriate rule?
- by Fractal
Wed Sep 21, 2011 11:38 am- Forum: Sentence Correction
- Topic: do vs. have
- Replies: 9
- Views: 1295
- by Fractal
Wed Sep 21, 2011 11:32 am- Forum: Sentence Correction
- Topic: do vs. have
- Replies: 9
- Views: 1295
do vs. have
Could somebody explain in which cases to use "have" and in which cases to use "do"? Which sentences are correct? A) They have a greater significance than the particulars of the plan do . B) They have a greater significance than do the particulars of the plan. C) They have a great...
- by Fractal
Wed Sep 21, 2011 10:52 am- Forum: Sentence Correction
- Topic: do vs. have
- Replies: 9
- Views: 1295
why is the height = 4? i thought the height is 8, since the height of the water is the tank is 4 feet when the tank is filled to half its capacity: r^2 * pi * 8 = 36 * pi could anybody explain plz? ah i think i got it now! the phrase "... is filled to half its capacity" is needless to cal...
- by Fractal
Wed Sep 21, 2011 5:20 am- Forum: Problem Solving
- Topic: OG Diagnostic Test Question
- Replies: 12
- Views: 4774
why is the height = 4?
i thought the height is 8, since the height of the water is the tank is 4 feet when the tank is filled to half its capacity:
r^2 * pi * 8 = 36 * pi
could anybody explain plz?
- by Fractal
Wed Sep 21, 2011 5:18 am- Forum: Problem Solving
- Topic: OG Diagnostic Test Question
- Replies: 12
- Views: 4774
bisect
does "bisect" ALWAYS mean to cut a line or an angle into two EQUAL parts?
i think that i saw a question, in which "bisect" just meant to divide, but not into two EQUAL parts. unfortunately, i don't find this question any more.
thx for clarifying,
fractal
- by Fractal
Tue Sep 20, 2011 12:47 pm- Forum: Problem Solving
- Topic: bisect
- Replies: 2
- Views: 2364