Search found 181 matches
Club members
Club X has more than 10 but fewer than 40 members. Sometimes the members sit at tables with 3 members at one table and 4 members at each of the other tables, and sometimes they sit at tables with 3 members at one table and 5 members at each of the other tables. If they sit at tables with 6 members a...
- by ikaplan
Mon Jul 23, 2012 10:20 am- Forum: Problem Solving
- Topic: Club members
- Replies: 7
- Views: 3388
Yes, there is an algebraic way as provided in the OG13. However, I try to find multiple ways to solve each problem.
- by ikaplan
Sun Jul 22, 2012 7:57 am- Forum: Problem Solving
- Topic: RTW (nails)
- Replies: 14
- Views: 7294
RTW (nails)
Working simultaneously at their respective constant rates, Machine A and B produce 800 nails in x hours. Working alone at its constant rate, Machine A produces 800 in y hours. In terms of x and y, how many hours does it take Machine B, working alone at its constant rate, to produce 800 nails? (A) x/...
- by ikaplan
Sun Jul 22, 2012 6:33 am- Forum: Problem Solving
- Topic: RTW (nails)
- Replies: 14
- Views: 7294
- by ikaplan
Sat Jul 21, 2012 7:03 pm- Forum: Data Sufficiency
- Topic: DS: Absolute value
- Replies: 1
- Views: 1066
XY-plane
In the xy-plane, does the line with equation y=3x+2 contain the point (r,s)?
(1) (3r+2-s)(4r+9-s)=0
(2) (4r-6-s)(3r+2-s)=0
Source: MGMAT Study Hall
- by ikaplan
Sat Jul 14, 2012 1:47 am- Forum: Data Sufficiency
- Topic: XY-plane
- Replies: 1
- Views: 1442
IMO, (A) has a problem with the relative pronoun "it"; we don't whether "it" refers to a 'black hole', to a 'neutron star' or to the star that compresses itself.
Can someone please clarify that the problem with (B) is the improper usage of the relative pronoun "its"?
- by ikaplan
Sat May 12, 2012 12:47 am- Forum: Sentence Correction
- Topic: modifier problem; experts please reply
- Replies: 9
- Views: 2385
min, max (bonds)
A man purchased $510 worth savings bonds in denominations of $15 and $30, including at least 1 of each denomination. He gave away 8 of the bonds as gifts but then lost all the rest of the bonds he had purchased. If the number of $30 bonds he gave away was a multiple of the number of $15 bonds he gav...
- by ikaplan
Fri May 11, 2012 11:52 pm- Forum: Problem Solving
- Topic: min, max (bonds)
- Replies: 3
- Views: 1225
Quick answer to DS questions requires paraphrasing of the question. In this case, it is stated that pq=24. The official question is what is p? However, it is better to paraphrase 'What is q"? because if you know q you will also know the value of p. (1) for pq=24 and q/6 is an integer, q can be ...
- by ikaplan
Mon Apr 30, 2012 8:42 am- Forum: GMAT Math
- Topic: Prime numbers (again and always)
- Replies: 9
- Views: 4171
- by ikaplan
Fri Apr 27, 2012 12:13 pm- Forum: GMAT Strategy
- Topic: New MGMAT 5th Edition Strategy Guides - Win a Free Set!
- Replies: 133
- Views: 27686
I solved this one by splitting the answer choices according to incorrect IDIOM usage: First, notice that between X and Y idiom is used; therefore, A, D and E are out Second, among is used for more than 3 subjects. The correct idiom is 'between'; therefore, discard B In the end we are left with C C i...
- by ikaplan
Sun Feb 12, 2012 4:18 am- Forum: Sentence Correction
- Topic: Opinion regarding the new housing
- Replies: 7
- Views: 2195
GMAT Hacks
Hi folks,
I was wondering if anyone uses GMAT Hacks: All 1,800 practice questions for GMAT prep?
I have a few questions regarding this material.
If you are using these questions, please private message me.
Thanks,
ikaplan
- by ikaplan
Thu Jan 19, 2012 6:10 am- Forum: GMAT Strategy
- Topic: GMAT Hacks
- Replies: 3
- Views: 2352
GMAT Prep Software
Federica, Did you download the gmat prep file from mba.com? I am asking because perhaps the file can be corrupted. The system requirements for GMAT Prep to run properly are quite basic so I do not think that you have a problem with your PC. However, just in case, please check the system requirements...
- by ikaplan
Thu Jan 19, 2012 6:04 am- Forum: GMAT Strategy
- Topic: GMATprep software
- Replies: 2
- Views: 1651
It is better to register the name that appears in the passport (or in any other document that will be used on test date).
- by ikaplan
Thu Jan 19, 2012 6:01 am- Forum: GMAT Strategy
- Topic: mba.com profile name
- Replies: 2
- Views: 1173
Revenues: A and B
Revenues were recorded for Store A and Store B over a period of three months. In the first month, Store A's revenues were $40,000 higher than Store B's revenues. In the second month, Store A's revenues were $8,000 higher than Store B's revenues. If Store A's average (arithmetic mean) monthly revenue...
- by ikaplan
Tue Jan 17, 2012 2:50 am- Forum: Problem Solving
- Topic: Revenues: A and B
- Replies: 3
- Views: 1352
- by ikaplan
Mon Dec 19, 2011 11:05 am- Forum: Problem Solving
- Topic: PS - water poured
- Replies: 8
- Views: 4189