Search found 11 matches
- by afterhours
Sun Oct 05, 2008 12:23 pm- Forum: Problem Solving
- Topic: pep4 =probabilty tuf1
- Replies: 6
- Views: 1624
statement 1 int 4 is closest to x+y 3.5<=x+y<4.5 Not sufficient since no way to determine even a rough x statement 2 .5<=x-y<1.5 same as previous Not sufficient statement 1/2 together You are tempted to say: x+y=4 x-y=1 ------- 2y=3 y=3/2 and then x= 5/2 which x would be closest to 3 HOWEVER the act...
- by afterhours
Sun Oct 05, 2008 7:33 am- Forum: Problem Solving
- Topic: GMAT Prep
- Replies: 3
- Views: 1480
The basic theory makes sense, if you start off strong (say get your first 12 right) and then are 1:1 right to wrong to finish, that would be a higher score than if you got your first 6-7 wrong and then went 1:1. I know that it used to be true (based on post and things i have read) that the first 10-...
- by afterhours
Sat Oct 04, 2008 1:36 pm- Forum: GMAT Strategy
- Topic: Prasanna, other moderators....ANYONE...confusion abounds
- Replies: 4
- Views: 1448
- by afterhours
Fri Oct 03, 2008 2:22 pm- Forum: Problem Solving
- Topic: gmat prep
- Replies: 2
- Views: 1373
I have been studying about 3 weeks so far, with ~7 weeks to go. Studying around 1-2 hours a day (hour on my own on the strats for the problem type I am working for that day, then hound these forums for questions that others are having issues to see if I need to brush up on certain problems) and then...
- by afterhours
Tue Sep 30, 2008 4:13 pm- Forum: GMAT Strategy
- Topic: ***How many hours a day/week/month are you studying??***
- Replies: 3
- Views: 1886
Re: Inequities
Hope you could help me with this: Thank you all!!! Is a > b^2 ? 1. a>b^4 c. a >sqrt (b) The right answer is C. ¿? to make this answer into words statement one is true only if b is greater than or equal to 1, below one and b^2 is more than b^4 in statement 1 so a>(1/2)^4=A>1/16 a>(1/2)^2=A>1/4 so A ...
- by afterhours
Mon Sep 29, 2008 3:43 pm- Forum: Data Sufficiency
- Topic: Inequities
- Replies: 5
- Views: 1711
In this case we don't need to know how much the tank was filled before the 200 gallons were removed because due to statement 2 we know: the amount left in the tank (3/7's of a tank) and the coincidental 4/7's that is not there (1600 gallons) From those numbers we can get the amount of oil left. IMO ...
- by afterhours
Mon Sep 29, 2008 3:16 pm- Forum: Data Sufficiency
- Topic: Volume
- Replies: 4
- Views: 1610
Is there information missing from that question?
Assuming there is a % in this sentence right here
"Of the cans that failed inspection, X% were incorrectly labeled and the rest were dented. "
I would agree with D based on the second posters statement.
- by afterhours
Mon Sep 29, 2008 2:13 pm- Forum: Data Sufficiency
- Topic: DS-S4-Q27
- Replies: 4
- Views: 2059
- by afterhours
Sun Sep 28, 2008 8:13 am- Forum: Sentence Correction
- Topic: 1000 Sc : sentence formation?
- Replies: 23
- Views: 15544
- by afterhours
Sun Sep 28, 2008 7:44 am- Forum: Data Sufficiency
- Topic: ds6
- Replies: 10
- Views: 2226
- by afterhours
Sun Sep 28, 2008 6:59 am- Forum: Problem Solving
- Topic: ps6
- Replies: 3
- Views: 1396