Search found 19 matches
Can someone please check my solution and point out the flaw: Train X leaves Los Angeles at 10:00AM and travels East at a constant speed of x miles per hour. If another Train Y leaves Los Angeles at 11:30AM and travels East along the same tracks at speed y, then at what time will Train Y catch Train...
- by topspin330
Thu Jan 02, 2014 9:31 pm- Forum: Problem Solving
- Topic: Rate Problem
- Replies: 3
- Views: 2704
Integer Properties
Can someone please help solve the following problem:
If m = k · p, where k and m are different positive integers, then does m have more than 5 prime factors?
(1) k has 5 different prime factors.
(2) p has 5 different prime factors.
Thanks.
- by topspin330
Mon Dec 23, 2013 7:16 pm- Forum: Data Sufficiency
- Topic: Integer Properties
- Replies: 9
- Views: 2154
Rate Problem
Can someone please check my solution and point out the flaw: Train X leaves Los Angeles at 10:00AM and travels East at a constant speed of x miles per hour. If another Train Y leaves Los Angeles at 11:30AM and travels East along the same tracks at speed y, then at what time will Train Y catch Train ...
- by topspin330
Mon Dec 23, 2013 6:32 pm- Forum: Problem Solving
- Topic: Rate Problem
- Replies: 3
- Views: 2704
Not obsessing over just quant. My verbal weaknesses are advanced topics of modifiers, idioms, reading comprehension. But I think for varbal I just need to read more and do more practice. So for that I kind of have somwhat of a plan although not sure on how to improve modifiers, idioms knowledge. Qua...
- by topspin330
Sat Mar 10, 2012 1:22 pm- Forum: GMAT Strategy
- Topic: Going beyond ordinary GMAT strategy
- Replies: 3
- Views: 1086
Going beyond ordinary GMAT strategy
Hey Guys, Need some help here. So I went through all the MGMAT topic books, official verbal and quant guides, Kaplan Premier. I think I have the GMAT Strategy down but I feel like I am very iffy on advanced topics such as Combinatorics, Prob, Stats, Modifiers (advanced), Idioms (advanced), Reading C...
- by topspin330
Sat Mar 10, 2012 12:29 pm- Forum: GMAT Strategy
- Topic: Going beyond ordinary GMAT strategy
- Replies: 3
- Views: 1086
Mistakes/Ideas Tracker
Hello All, I recently finished reviewing all the basic material and am now launching into practicing questions (official guides). What's the best way to keep track of mistakes/new ideas I come across (ex: do you have several different areas within SC that you use to keep track of the number of quest...
- by topspin330
Sat Feb 11, 2012 8:58 pm- Forum: GMAT Strategy
- Topic: Mistakes/Ideas Tracker
- Replies: 1
- Views: 1101
Algebraic way to solve a word problem...
Can anyone show how to solve this using algebra. Already know how to do it by plugging in numbers. The population of a certain type of bacterium triples every 10 minutes. If the population of a colony 20 minutes ago was 100, in approximately how many minutes from now will the bacteria population rea...
- by topspin330
Mon Jan 23, 2012 10:07 pm- Forum: Problem Solving
- Topic: Algebraic way to solve a word problem...
- Replies: 3
- Views: 4019
- by topspin330
Thu Jan 05, 2012 5:09 pm- Forum: Problem Solving
- Topic: can anyone show how to solve this algebraically?
- Replies: 2
- Views: 994
can anyone show how to solve this algebraically?
a,b,c, and d are positive numbers. If ab = c and a/b = d, what is a+b?
a) dsqrt(cd)
b) sqrt(cd)/d
c) (sqrt(cd) + d)/d
d) d(sqrt(cd)+1)/d
e) (sqrt(cd)(d+1))/d
thanks.
- by topspin330
Thu Jan 05, 2012 4:55 pm- Forum: Problem Solving
- Topic: can anyone show how to solve this algebraically?
- Replies: 2
- Views: 994
- by topspin330
Thu Jan 05, 2012 4:48 pm- Forum: Sentence Correction
- Topic: preposition + noun + participle pattern
- Replies: 2
- Views: 1857
verbs + infinitive | gerund
how do you tell whether to use an infinitive or a gerund after a verb.
for ex: afford mostly requires an infinitive after itself whereas anticipate requires a gerund. is there any pattern here?
thanks
- by topspin330
Sun Jan 01, 2012 10:38 pm- Forum: Sentence Correction
- Topic: verbs + infinitive | gerund
- Replies: 1
- Views: 2365
preposition + noun + participle pattern
could some please explain how choices C and E include that pattern? I kind of see it in C but in E, isnt it just infinitive + noun? Also, any resources you guys might have to help recognize these patterns? thanks. Charlotte Perkins Gilman, a late nineteenth-century feminist, called for urban apartme...
- by topspin330
Sun Jan 01, 2012 6:03 pm- Forum: Sentence Correction
- Topic: preposition + noun + participle pattern
- Replies: 2
- Views: 1857
simple gerunds vs complex gerunds
Can anyone please provide the distinction between the two in greater detail. I reviewed MGMAT explanation but that certainly was not enough.
thanks.
- by topspin330
Mon Dec 26, 2011 4:51 pm- Forum: Sentence Correction
- Topic: simple gerunds vs complex gerunds
- Replies: 3
- Views: 2403
pronoun confusion
can anyone please explain how to distinguish between the usage of who and whom. i understand that the difference here is subject vs object pronoun but could someone elaborate a little bit more. more importantly, can anyone point to a link where i can find all the uncommon pronouns - subject vs objec...
- by topspin330
Tue Dec 20, 2011 8:23 pm- Forum: Sentence Correction
- Topic: pronoun confusion
- Replies: 1
- Views: 1141
Parallelism confusion
In the following sentence, how com there is no was before hiring and investing. The division WAS opening offices, hiring staff and investing in equipment. If that's correct, how come there's who before "genuinely cares" and "has the experience" in the following sentence? Voters w...
- by topspin330
Mon Dec 19, 2011 1:23 pm- Forum: Sentence Correction
- Topic: Parallelism confusion
- Replies: 1
- Views: 1504