Search found 83 matches
Percentages
Q. In a work force, the employees are either managers or directors. What is the percentage of directors?
(1) the average salary for manager is $5,000 less than the total average salary.
(2) the average salary for directors is $15,000 more than the total average salary.
IMO - E, am I correct?
- by MI3
Sun Jul 17, 2011 2:44 am- Forum: Data Sufficiency
- Topic: Percentages
- Replies: 3
- Views: 1170
Average
Q. A certain bank has ten branches. What is the total amount of assets under management at the bank? (1) There is an average of 400 customers per branch. When each branch’s average assets under management per customer is computed, these values are added together and this sum is divided by 10. The ...
- by MI3
Sun Jul 17, 2011 2:43 am- Forum: Data Sufficiency
- Topic: Average
- Replies: 1
- Views: 1048
Profit / Loss
Experts out there, please advise on how to resolve the below problem (I don't have the solution handy) Q. In the first week of last month, Company X realized an average wholesale profit of $5304 per day from the sale of q units of Product Y. Which of the following CANNOT be the difference between Pr...
- by MI3
Sat Jul 16, 2011 7:38 am- Forum: Problem Solving
- Topic: Profit / Loss
- Replies: 2
- Views: 1123
Q. If John makes a contribution to a charity fund at school, the average contribution size will increase by 50%, reaching $75 per person. If there were 5 other contributions made before John’s, what is the size of his donation? (A) $100 (B) $150 (C) $200 (D) $250 (E) $450 IMO - B , am I correct? ...
- by MI3
Sat Jul 16, 2011 5:16 am- Forum: Problem Solving
- Topic: Averages
- Replies: 2
- Views: 1742
Mean
Q. If every member of set X {-14, -12, 17, 28, 41, Z} is multiplied by number N, by what percent will the mean M of the set increase?
(1) Z = 60 (2) N = Z / M
IMO - C, am i correct?
- by MI3
Sat Jul 16, 2011 5:01 am- Forum: Data Sufficiency
- Topic: Mean
- Replies: 1
- Views: 882
Averages
Q. If John makes a contribution to a charity fund at school, the average contribution size will increase by 50%, reaching $75 per person. If there were 5 other contributions made before John’s, what is the size of his donation?
(A) $100 (B) $150 (C) $200 (D) $250 (E) $450
IMO - B, am I correct?
- by MI3
Sat Jul 16, 2011 4:58 am- Forum: Problem Solving
- Topic: Averages
- Replies: 2
- Views: 1742
Problem on mean..
Q. The mean of (54,820)^2 and (54,822)^2 =
(A) (54,821)^2 (B) (54,821.5)^2 (C) (54,820.5)^2 (D) (54,821)^2 + 1 (E) (54,821)^2 – 1
IMO - C, am I correct?
- by MI3
Sat Jul 16, 2011 3:19 am- Forum: Problem Solving
- Topic: Problem on mean..
- Replies: 2
- Views: 2135
Percentage Increase
Q. What is the minimum percentage increase in the mean of set X {-4, -1, 0, 6, 9} if its two smallest elements are replaced with two different primes?
(A) 25% (B) 50% (C) 75% (D) 100% (E) 200%
IMO answer is D, am I correct?
- by MI3
Sat Jul 16, 2011 1:08 am- Forum: Problem Solving
- Topic: Percentage Increase
- Replies: 2
- Views: 1365
Averages Problem
Q. A certain portfolio consisted of 5 stocks, priced at $20, $35, $40, $45, and $70, respectively. On a given day, the price of one stock increased by 15%, while the price of another stock decreased by 35% and the prices of the remaining three remained constant. If the average price of a stock in th...
- by MI3
Sat Jul 16, 2011 12:51 am- Forum: Problem Solving
- Topic: Averages Problem
- Replies: 2
- Views: 2599
GPA
Q. After his first semester in college, Thomas is applying for a scholarship that has a minimum Grade Point Average (GPA) requirement of 3.5. The point values of pertinent college grades are given in the table below. If Thomas took 5 courses, each with an equal weight for GPA calculations, and recei...
- by MI3
Sat Jul 16, 2011 12:44 am- Forum: Problem Solving
- Topic: GPA
- Replies: 5
- Views: 2920
Yes, accidentally posted in the DS section - sorry!
Mom4MBA wrote:http://www.beatthegmat.com/average-prob ... tml#377089
Question should have been posted in PS section.
- by MI3
Sat Jul 16, 2011 12:31 am- Forum: Data Sufficiency
- Topic: Mean - Question
- Replies: 3
- Views: 1292
Mean - Question
Q. During 2005, a company produced an average of 2,000 products per month. How many products will the company need to produce from 2006 through 2008 in order to increase its monthly average for the period from 2005 through 2008 by 200% over its 2005 average? (A) 148,000 (B) 172,000 (C) 200,000 (D) 2...
- by MI3
Mon Jul 11, 2011 9:06 pm- Forum: Data Sufficiency
- Topic: Mean - Question
- Replies: 3
- Views: 1292
Mean
Q. The table below provides revenues of a certain company in 2002 and 2003. By what percent did the average quarterly revenue change from 2002 to 2003? Quarter Quarterly revenues, MM USD 2002 2003 1st 13 17 2nd 15 18 3rd 16 17 4th 16 20 IMO Answer should be 3 , am I correct?
- by MI3
Mon Jul 11, 2011 8:58 pm- Forum: Data Sufficiency
- Topic: Mean
- Replies: 6
- Views: 5779
Hello Anurag,
Thank you for the explanation..What I am still not clear on, is the first statement which states "the farm has more than twice as many cows at it has pigs".
My interpretation of this was C > 2P rather than C ≥ 2P, am I reading it all wrong?
- by MI3
Tue Jul 05, 2011 9:54 pm- Forum: Data Sufficiency
- Topic: DS Question
- Replies: 4
- Views: 1244
DS Question
Q: Of the 60 animals on a certain farm, 2/3 are either pigs or cows. How many of the animals are cows? (1) the farm has more than twice as many cows at it has pigs. (2) the farm has more than 12 pigs. Unfortunately, I don't have the answer to the above problem. Experts out there please opine on how ...
- by MI3
Tue Jul 05, 2011 9:18 pm- Forum: Data Sufficiency
- Topic: DS Question
- Replies: 4
- Views: 1244