Search found 53 matches


I guess but who wants to plug in 15 and 17 #s?
I just want to understand the theory behind medians and averages..

by jc114

Thu Aug 21, 2008 4:37 pm
Forum: Data Sufficiency
Topic: median/average question
Replies: 3
Views: 1612

median/average question

Set M has 15 numbers while Set K has 17 numbers. If one number from set K is taken and moved into set M, is the average of K larger than M? (1) after moving a number into M, the median of M is smaller than the median of K. (2) after moving a number into M, the average of M and the average of K both ...

by jc114

Wed Aug 20, 2008 9:57 pm
Forum: Data Sufficiency
Topic: median/average question
Replies: 3
Views: 1612
by jc114

Thu May 24, 2007 4:08 am
Forum: Critical Reasoning
Topic: gmat prep question
Replies: 4
Views: 3567

prep question

. Rita: The original purpose of government farm subsidy programs was to provide income stability for small family farmers. But most farm-subsidy money goes to a few farmers with large holdings Payments to farmers whose income, before subsidies, is greater than $100,000 a year should be stopped. Thom...

by jc114

Tue May 22, 2007 2:03 pm
Forum: Critical Reasoning
Topic: prep question
Replies: 3
Views: 3059

gmat prep question

Numismatist: In medieval Spain, most gold coins were minted from gold mined in West Africa, in the area that is now Senegal. The gold mined in this region was the purest known. Its gold content of 92 percent allowed coins to be minted without refining the gold, and indeed coins minted from this sour...

by jc114

Tue May 22, 2007 1:53 pm
Forum: Critical Reasoning
Topic: gmat prep question
Replies: 4
Views: 3567

gmat prep question

A restaurant receives clean uniforms on May 3 and every 7 days thereafter. The restaurant receives clean linens on May 4 and every 5 days thereafter. On what date in May does the restaurant receive both clean uniforms and clean linens? A. may 3 B. may 10 C. may 17 D. may 19 E. may 24 If y= x^2-5x+14...

by jc114

Mon May 14, 2007 7:12 am
Forum: Problem Solving
Topic: gmat prep question
Replies: 3
Views: 1446

gmat prep question

If the length of each side of rectangle R is squared, what is the sum of the four squared lengths?
(1) the diagonal of rectangle R has length 15
(2) the product of the lengths of 2 adjacent sides of rectangle R is 108.


why is the answer A???

by jc114

Mon May 14, 2007 7:08 am
Forum: Data Sufficiency
Topic: gmat prep question
Replies: 3
Views: 2732

gmatprep question

City X provided 18 million dollars of the total funding for its cultural center last year. from all of the remaining sources of funding, how many million dollars were provided by private grants and private endowments last year? (1) Total funding for the center last year was 60 million dollars. (2) L...

by jc114

Mon May 14, 2007 7:06 am
Forum: Data Sufficiency
Topic: gmatprep question
Replies: 2
Views: 2077

but then if there are 2 answers for x isn't it then E?

by jc114

Sun May 13, 2007 2:27 pm
Forum: Data Sufficiency
Topic: powerprep question
Replies: 3
Views: 2151

powerprep question

In the xy plane, at what two points does the graph of y= (x+a)(x+b) intersect the x axis?
(1) a+b=-1
(2) the graph intersects the x=axis at at (0,6)

i chose E but the answer is c

by jc114

Sat May 12, 2007 7:50 am
Forum: Data Sufficiency
Topic: powerprep question
Replies: 3
Views: 2151

paradox question

Construction contractors working on the cutting edge of technology nearly always work on a "cost-plus" basis only. One kind of cost-plus contract stipulates the contractor's profit as a fixed percentage of the contractor's costs; the other kind stipulates a fixed amount of profit over and above cost...

by jc114

Sat May 12, 2007 7:09 am
Forum: Critical Reasoning
Topic: paradox question
Replies: 1
Views: 2918

power prep question

In a survey of students, each student selected from a list of 12 songs the 2 songs that the student liked the best. If each song was selected 4 times, how many students were surveyed? A. 96 B. 48 C. 32 D. 24 E. 18 Which of the following inequalities has a solution set that, when graphed on the numbe...

by jc114

Thu May 10, 2007 3:07 pm
Forum: Problem Solving
Topic: power prep question
Replies: 4
Views: 1815

yes, the answer is A...could you explain for me pls?

by jc114

Thu May 10, 2007 2:50 pm
Forum: Critical Reasoning
Topic: prep question
Replies: 4
Views: 3424

need help on prep question pls

OF the 25 cars sold at a certain dealership yesterday, some had automatic transmission and some had antilock brakes. How many of the cars had a automatic transmission but not antilock brakes? (1) all of the cars that had antilock brakes also had an automatic transmission (2) 2 of the cars had neithe...

by jc114

Wed May 09, 2007 7:07 pm
Forum: Data Sufficiency
Topic: need help on prep question pls
Replies: 12
Views: 6182

divisibility question

If k and n are integers, is n divisible by 7?
(1) n-3= 2k
(2) 2k-4 is divisible by 7

can someone explain this to me pls? :)

by jc114

Mon May 07, 2007 7:26 pm
Forum: Data Sufficiency
Topic: divisibility question
Replies: 5
Views: 2573