Search found 21 matches
a question about remainders
When a possitive integer is divided by 7, the only possible remainders are 0,1,2,3,4,5 and 6. Also, each of these remainders will occur exactly once when the terms in a sequence of 7 consecutive integers are divided by 7. This is an explanation i got from OG about remainders, Can i generalize this r...
- by mepinoargote
Fri Sep 03, 2010 4:31 pm- Forum: Problem Solving
- Topic: a question about remainders
- Replies: 1
- Views: 1098
directly proportional means that as one value increases, the other also increases by a proportionate amount. Just a quick question, so lets say 2 values are proportional, if the first increases by 10%, the other must increase by 10%?? i get that when one value increases the other also increases, bu...
- by mepinoargote
Thu Sep 02, 2010 6:36 pm- Forum: Problem Solving
- Topic: Word problem on rates
- Replies: 5
- Views: 1670
- by mepinoargote
Thu Sep 02, 2010 1:42 pm- Forum: Data Sufficiency
- Topic: Is picking numbers the quickiest approach here?
- Replies: 5
- Views: 1229
actually the official answer is C, i made the same mistake as you and assumed more information was needed.
- by mepinoargote
Thu Sep 02, 2010 1:17 pm- Forum: Data Sufficiency
- Topic: Is picking numbers the quickiest approach here?
- Replies: 5
- Views: 1229
Is picking numbers the quickiest approach here?
If p1 and p2 are the populations and r1 and r2 are the number or representatives of district 1 and district 2 respectively, the ratio of the population to the number of representatives is greater for which of the two districts?? (1) p1>p2 (2) r2<r1 Is easy and very quick to conclude (1) and (2) are ...
- by mepinoargote
Thu Sep 02, 2010 12:56 pm- Forum: Data Sufficiency
- Topic: Is picking numbers the quickiest approach here?
- Replies: 5
- Views: 1229
- by mepinoargote
Fri Aug 27, 2010 7:10 pm- Forum: Data Sufficiency
- Topic: og 133 number properties
- Replies: 5
- Views: 1364
og 133 number properties
Are all the numbers in a certain list of 15 numbers equal? (1) The sum of all the numbers in the list is 60 (2) The sum of any 3 numbers in the list is 12 Statement one is easy to evaluate, but what approach should i take with (2)?? The official guide answer is way too long and confusing, please help!
- by mepinoargote
Fri Aug 27, 2010 6:37 pm- Forum: Data Sufficiency
- Topic: og 133 number properties
- Replies: 5
- Views: 1364
divisibility
Hi, i always have trouble trying to solve problems like this:
If n is a positive integer, is n^3-n divisible by 4?
(1) n= 2k+1, where k is an integer
(2) n^2 +n is divisible by 6
What´s the best strategy to tackle this type of problems, when divisibility is asked? thanks!
- by mepinoargote
Mon Aug 09, 2010 3:35 pm- Forum: Data Sufficiency
- Topic: divisibility
- Replies: 1
- Views: 995
- by mepinoargote
Tue Aug 03, 2010 4:52 pm- Forum: The 60-Day GMAT Study Guide
- Topic: error log
- Replies: 4
- Views: 1908
- by mepinoargote
Tue Aug 03, 2010 9:55 am- Forum: Problem Solving
- Topic: order of answers
- Replies: 7
- Views: 2559
It could help eliminate more answers quicky, lets say after reading the problem you figure out your answer must be bigger than 300, and your answer choices are: a 200 b 250 c 300 d 310 e 600 You can quickly eliminate a, b, and c without even having to test them, and it will be faster to do it if the...
- by mepinoargote
Tue Aug 03, 2010 9:25 am- Forum: Problem Solving
- Topic: order of answers
- Replies: 7
- Views: 2559
error log
I´m having problems with my error log file, the performance summary doesn´t update when I input values in the grid, how can i fix this? thanks.
- by mepinoargote
Tue Aug 03, 2010 9:21 am- Forum: The 60-Day GMAT Study Guide
- Topic: error log
- Replies: 4
- Views: 1908
order of answers
In the quant section, is it true every answer is presented in either an ascending or a descending order?
- by mepinoargote
Tue Aug 03, 2010 9:14 am- Forum: Problem Solving
- Topic: order of answers
- Replies: 7
- Views: 2559
- by mepinoargote
Sun Jul 18, 2010 7:57 pm- Forum: The 60-Day GMAT Study Guide
- Topic: about to start!
- Replies: 3
- Views: 1760
about to start!
Hi everybody, since i don´t live in USA i had to order the books online and they just arrived today. I´m planning to start my 60 day study guide on monday, i was wondering how everybody is doing with the program and in average how many hours do you spend studying each day? Any comments? Thanks!
- by mepinoargote
Thu Jul 15, 2010 11:13 am- Forum: The 60-Day GMAT Study Guide
- Topic: about to start!
- Replies: 3
- Views: 1760