Search found 46 matches
SD Problem - GMATPrep
70, 75, 80, 85, 90, 105, 105, 130, 130, 130 The list shown consists of the times, in seconds, that it took each of the 10 schoolchildren to run a distance of 400 meters. If the standard deviation of the 10 running times is 22.4 seconds, rounded to the nearest tenth of a second, how many of the 10 ru...
- by queenisabella
Sat Mar 31, 2012 5:34 pm- Forum: Problem Solving
- Topic: SD Problem - GMATPrep
- Replies: 1
- Views: 811
SC - Nuclear Power in France vs. Germany
Source: GMATPrep Over 75 percent of the energy produced in France derives from nuclear power, while in Germany it is just over 33 percent . A) while in Germany it is just over 33 percent B) compared to Germany, which uses just over 33 percent C) whereas nuclear power accounts for just over 33 percen...
- by queenisabella
Tue Mar 27, 2012 7:25 am- Forum: Sentence Correction
- Topic: SC - Nuclear Power in France vs. Germany
- Replies: 5
- Views: 4514
so in this case, it looks like doubling was supposed to modify "increase".. i got tricked and tried to find something that could modify the countable "number of people", hence why I thought the answer was D. Is this thinking correct? Is this why we can't use TWICE with increase (...
- by queenisabella
Tue Mar 27, 2012 7:18 am- Forum: Sentence Correction
- Topic: GMATPrep SC
- Replies: 8
- Views: 1874
Green Taxes - SC
Source: GMATPrep So-called green taxes, which exact a price for the use of polluting or nonrenewable fuels, are having a positive effect on the environment and natural resource base of countries as varied as China, the Netherlands, and Hungary. A) as varied as B) as varied as are C) as varied as tho...
- by queenisabella
Tue Mar 27, 2012 7:12 am- Forum: Sentence Correction
- Topic: Green Taxes - SC
- Replies: 9
- Views: 2617
Country X - % of ppl who are 65 or older?
Source: GMATPrep
Are at least 10% of the people in Country X who are 65 years old or older employed?
(1) In Country X, 11.3% of the population is 65 years or older.
(2) In Country X, of the population 65 years or older, 20% of the men and 10% of the women are employed.
OA is B.
- by queenisabella
Tue Mar 27, 2012 5:52 am- Forum: Data Sufficiency
- Topic: Country X - % of ppl who are 65 or older?
- Replies: 3
- Views: 1264
Supernovae CR Question Help
Source: Veritas Prep Please help explain the answer explanation. Type 1a supernovae, caused by the deterioration of matter accreted onto white dwarf stars, explode with a highly predictable brightness. Since the brightness of these explosions fades over distance in a highly predictable way, scientis...
- by queenisabella
Sat Mar 24, 2012 3:23 pm- Forum: Critical Reasoning
- Topic: Supernovae CR Question Help
- Replies: 1
- Views: 901
- by queenisabella
Fri Mar 23, 2012 6:14 am- Forum: Problem Solving
- Topic: i don't get this veritas prep answer.
- Replies: 3
- Views: 1170
i don't get this veritas prep answer.
can someone please explain the answer explanation to this question? to me, answer B still seems to be right, yet VP is saying D is, and the answer does not make sense to me.
- by queenisabella
Thu Mar 22, 2012 2:07 pm- Forum: Problem Solving
- Topic: i don't get this veritas prep answer.
- Replies: 3
- Views: 1170
need expert help explanation
Source: Veritas Prep The anthology Georgian poetry was named to give the impression that the contents were as contemporary as the newly installed king, George V, but by selecting rather conventional poets, the term Georgian came to have the opposite connotation. See below for list of all answer choi...
- by queenisabella
Thu Mar 22, 2012 10:09 am- Forum: Sentence Correction
- Topic: need expert help explanation
- Replies: 2
- Views: 1358
inequalities
source: manhattan prep If r + s > 2t, is r > t ? (1) t > s (2) r > s The OA is D .. however and answer solution included below. QUESTION - how can add the 2 equations together to get the answer? Why can perform these operations unless we know that all these variables are > 0? (1) SUFFICIENT: We can ...
- by queenisabella
Sun Mar 18, 2012 6:15 pm- Forum: Data Sufficiency
- Topic: inequalities
- Replies: 1
- Views: 939
- by queenisabella
Sun Mar 11, 2012 6:02 pm- Forum: Problem Solving
- Topic: GMAT Prep PS Question - Sets
- Replies: 3
- Views: 903
GMATPrep SC
The number of people flying first class on domestic flights rose sharply in 1990, doubling the increase of the previous year. A) doubling the increase of B) doubling that of the increase in C) double as much as the increase of D) twice as many as the increase in E) twice as many as the increase of O...
- by queenisabella
Sun Mar 11, 2012 2:13 pm- Forum: Sentence Correction
- Topic: GMATPrep SC
- Replies: 8
- Views: 1874
GMATPrep SC - help
had trouble with this question from GMATPrep. please help explain why the answer is B and not E . Faulty voting equipment, confusion ballots, vote error, and problems at polling places have been cited by a new study of the 2000 United States presidential election, which estimated that they did not c...
- by queenisabella
Sun Mar 11, 2012 2:09 pm- Forum: Sentence Correction
- Topic: GMATPrep SC - help
- Replies: 1
- Views: 1208
GMATPrep SC - please explain answer.
Like the grassy fields and old pastures that the upland sandpiper needs for feeding and nesting when it returns in May after wintering in the Argentine Pampas, the sandpipers vanishing in the northeastern United States is a result of residential and industrial development and of changes in farming p...
- by queenisabella
Sun Mar 11, 2012 2:00 pm- Forum: Sentence Correction
- Topic: GMATPrep SC - please explain answer.
- Replies: 2
- Views: 1179
Help - GMATPrep DS Number Line Question
this is the 2nd time i've seen this question and i'm still struggling with it. can someone please help explain to me the rationale, and the fastest way to solve this? DATA SUFFICIENCY: On the number line shown, is zero halfway between r and s? (1) s is to the right of zero. (2) The distance between ...
- by queenisabella
Sun Mar 11, 2012 1:20 pm- Forum: Data Sufficiency
- Topic: Help - GMATPrep DS Number Line Question
- Replies: 4
- Views: 1795