Search found 162 matches
MGMAT CAT #2 PS Question Again
If a, b, c, and d are integers and ab2c3d4 > 0, which of the following must be positive?
I. a^2cd
II. bc^4d
III. a^3c^3d^2
Which of the above choices must be positive?
- by EMAN
Sun Nov 08, 2009 4:02 pm- Forum: Problem Solving
- Topic: MGMAT CAT #2 PS Question Again
- Replies: 3
- Views: 1658
MGMAT CAT #2 PS Question
If x is an integer, then x(x – 1)(x – k) must be evenly divisible by three when k is any of the following values EXCEPT:
(A) -4
(B) -2
(C) -1
(D) 2
(E) 5
Please explain your methodology.
- by EMAN
Sun Nov 08, 2009 3:54 pm- Forum: Problem Solving
- Topic: MGMAT CAT #2 PS Question
- Replies: 1
- Views: 1319
MGMAT CAT Scores
MGMAT CAT 1 - 600 (careless errors)
MGMAT CAT 2 - 590 (careless errors)
I'm probably going to have to ramp it off heavily in the next six weeks to break 700. God help me! I'm trying to get this god awful exam done before the CFA starts up again.
- by EMAN
Sun Nov 08, 2009 3:50 pm- Forum: GMAT Strategy
- Topic: MGMAT CAT Scores
- Replies: 3
- Views: 1284
- by EMAN
Sat Nov 07, 2009 1:54 pm- Forum: Critical Reasoning
- Topic: OG CR 93 Trade Retaliation Question
- Replies: 3
- Views: 2224
OG CR 93 Trade Retaliation Question
Commentator: The theory of trade retaliation states that countries closed out of any of another country's markets should close some of their own markets to the other country in order to pressure the other country to reopen its markets. If every country acted according to this theory, no country woul...
- by EMAN
Sat Nov 07, 2009 12:59 pm- Forum: Critical Reasoning
- Topic: OG CR 93 Trade Retaliation Question
- Replies: 3
- Views: 2224
!
Man, you are a true playa. Your strategy is very helpful and straightforward. Thank you for the response.
- by EMAN
Sun Oct 18, 2009 1:26 pm- Forum: Problem Solving
- Topic: Weighted Average Percent Change
- Replies: 2
- Views: 4631
Weighted Average Percent Change
Last year, all registered voters in Kumania voted either for the Revolutionary Party or the Status Quo Party. This year, the number of Revolutionary voters increased 10%, while the number of Status Quo voters increased 5%. No other votes were cast. If the number of total voters increased 8%, what fr...
- by EMAN
Sat Oct 17, 2009 12:50 pm- Forum: Problem Solving
- Topic: Weighted Average Percent Change
- Replies: 2
- Views: 4631
- by EMAN
Wed Oct 14, 2009 8:46 am- Forum: Problem Solving
- Topic: Fraction Algebra
- Replies: 6
- Views: 1618
- by EMAN
Tue Oct 13, 2009 1:10 pm- Forum: Problem Solving
- Topic: Fraction Algebra
- Replies: 6
- Views: 1618
Fraction Algebra
I'm having a problem setting up part of this problem: At a loading dock, each worker on a night crew loaded 3/4 as many boxes as each worker on the day crew. If the night crew has 4/5 as many workers as the day crew, what fraction of boxes loaded by the two crews did the day crew load? (A)1/2 (B)2/5...
- by EMAN
Tue Oct 13, 2009 9:48 am- Forum: Problem Solving
- Topic: Fraction Algebra
- Replies: 6
- Views: 1618
Ratio (Ice Cream Scoops)
At a certain picnic, each of the guests was served either a single scoop or double scoop of ice cream. How many of the guests were served a double scoop of ice cream? (1) At the picnic, 60 percent of the guests were served a double scoop of ice cream. (2) A total of 120 scoops of ice cream were serv...
- by EMAN
Mon Oct 12, 2009 10:03 am- Forum: Data Sufficiency
- Topic: Ratio (Ice Cream Scoops)
- Replies: 1
- Views: 1588
- by EMAN
Sun Oct 11, 2009 6:31 pm- Forum: Problem Solving
- Topic: CAT #1 700-800 Level Question Recipriocal Averages
- Replies: 5
- Views: 4178
Algebra Help
I found that I am particularly weak in algebra. Which Manhattan book is the best for this or is there anothe resource that may help me brush up on some fundamentals (including substituting two equations and simplifying tedious expressions)?
- by EMAN
Sun Oct 11, 2009 2:41 pm- Forum: GMAT Math
- Topic: Algebra Help
- Replies: 0
- Views: 1114
Tricky 700-800 Level Combinatorics CAT #1 MANHATTAN
A family consisting of one mother, one father, two daughters and a son is taking a road trip in a sedan. The sedan has two front seats and three back seats. If one of the parents must drive and the two daughters refuse to sit next to each other, how many possible seating arrangements are there? (A)2...
- by EMAN
Sun Oct 11, 2009 2:22 pm- Forum: Problem Solving
- Topic: Tricky 700-800 Level Combinatorics CAT #1 MANHATTAN
- Replies: 1
- Views: 1068
Exponents Question (CAT) Manhattan
If x and y are integers and: 15^X + 15^X+1 / 4Y = 15^Y what is the value of x? (A) 2 (B) 3 (C) 4 (D) 5 (E) cannot be determined I should have tried numbers but I immediately dismissed ths answer b/c there are two unknowns. Dumb. I got this one incorrect. If anybody knows how to solve this algebraica...
- by EMAN
Sun Oct 11, 2009 2:10 pm- Forum: Problem Solving
- Topic: Exponents Question (CAT) Manhattan
- Replies: 1
- Views: 1005