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Help with Probablility Question

It's a simple one but I'm not sure what the best approach is. If there are six numbers numbered 1-6, what is the probability of choosing numbers 1, 2, and 3? My approach: because order doesn't matter I used the combination 6 choose 3 which equals 20 possible combinations. Then there is only one comb...

by tim0thy

Fri Oct 16, 2009 11:14 am
Forum: Problem Solving
Topic: Help with Probablility Question
Replies: 3
Views: 869

Profile Re-evaluation Please

Hi, I was hoping you could please re-evaluate my profile which now contains some upated stats. I am planning on applying next year for admission to the 2011 school year and am targeting USC, UC Davis, UCLA, UC Irvine and Berkeley, and maybe an International school (e.g. Insead or HEC). Based on my p...

by tim0thy

Wed Oct 14, 2009 8:13 pm
Forum: Ask Stacy Blackman
Topic: Profile Re-evaluation Please
Replies: 0
Views: 901

Advice needed on CR - please

I wanted to seek out the advice of the people on this forum regarding how I should study for the CR reasoning section. I am three months into my study and I have only CR and RC to go. I just did the diagnostic questions in OG 12 for CR, though, and I got 15 out of 17 right. That being said, I wanted...

by tim0thy

Mon Sep 21, 2009 9:41 pm
Forum: GMAT Strategy
Topic: Advice needed on CR - please
Replies: 1
Views: 906

From Question: Jan: P+S Feb: P+2S Mar: P+3S Apr: P+4S May: P+5S P= Processinf Fee S = Additional Shipping per book (1) P+3S = P+S+1 S = 1/2 No information given about processing fees therefore can't figure out the total (can only figure out shipping fees) (2) S+2S+3S+4S+5S = 7.50 15S = $7.50 S = 1/2...

by tim0thy

Mon Aug 10, 2009 2:51 pm
Forum: Data Sufficiency
Topic: Gmat Prep 4
Replies: 1
Views: 1318

Another way to look at it is algebraically. We can model the question as is x + 10y + 100z < 550? x being the units digit y being the tens digit z being the hundreds digit (1) we are given xyz = 30 Then factors of 30 are: 1,2,3,5,30 choosing some examples: if z=5, y=3, x=2 then the answer is yes but...

by tim0thy

Mon Aug 10, 2009 2:40 pm
Forum: Data Sufficiency
Topic: gmat prep 1
Replies: 2
Views: 871

I got A using the MGMAT method (the chart from the Word Translaions book). It looks like a lot but it only takes a few seconds to write out. And I hope my chart makes sense. (1) .............. Engaging........Not Engaging.........Total Women .. .5W ........ .5W .................... W Men ........ .3...

by tim0thy

Fri Aug 07, 2009 2:01 pm
Forum: Data Sufficiency
Topic: gmat prep Q
Replies: 7
Views: 2082

I got B also. What's the source?

by tim0thy

Fri Aug 07, 2009 1:46 pm
Forum: Data Sufficiency
Topic: if X>1 and Y>1, is X<Y?
Replies: 9
Views: 6375

Sorry Mohit I didn't see the question. But here's my attempt to explain why it's A. an odd number added to itself an odd number of times would be odd+odd+odd, or odd+odd+odd+odd+odd etc., rewritten as 3*odd or 5*odd, or it can be generalized to (2k+1)*odd for any integer k. Because 2k+1 will always ...

by tim0thy

Tue Jul 21, 2009 3:27 pm
Forum: Problem Solving
Topic: Odd number Properties
Replies: 8
Views: 3308

Answer is A because a) k = odd, n = even or odd even test: even + (even*odd) = even + even = even odd test: odd + (odd*odd) = odd + odd = even Therefore the sum must be even. Sufficient. b) k = odd, n = even or odd even test: odd*even = even odd test: odd*odd = odd Therefore the sum can either be od...

by tim0thy

Tue Jul 21, 2009 11:52 am
Forum: Problem Solving
Topic: Odd number Properties
Replies: 8
Views: 3308

Just to clarify, 2 IS a prime number. It is the first and only even prime number.

2+5+11 = 18 as Shibal outlined above[/quote]

by tim0thy

Fri Jul 17, 2009 8:51 am
Forum: Problem Solving
Topic: prime factors ...
Replies: 4
Views: 1019

Nice debrief and even better score!

Just out of curiosity, about how long did you study for your GMAT?

And about how long on average did it take to go through each Manhattan math book?

by tim0thy

Mon Jul 06, 2009 9:38 am
Forum: I just Beat The GMAT!
Topic: 770 -- 50 Q, 46 V -- Content First, Then Speed
Replies: 46
Views: 127433

What materials are given on test day?

I tried searching for this but I couldn't find anything. What materials do they give you on test day? Mba.com mentioned you get 5 notepads, but I remember reading that you get an eraseable whiteboard instead. If someone could clarify this that would be great. Thanks!

by tim0thy

Wed Jun 03, 2009 10:38 am
Forum: GMAT Strategy
Topic: What materials are given on test day?
Replies: 1
Views: 725

[quote="rahulg83"]Had it been P in place of Q and vice-versa, this option would have been correct. Q uses behavioralist approach, so he does not believe in pushing company into chaos, unlike P. OA is [spoiler]C[/spoiler], i am unable to comprehend this choice in relation with the passage.[/quote] He...

by tim0thy

Tue Jun 02, 2009 2:30 pm
Forum: Reading Comprehension
Topic: Management theories
Replies: 4
Views: 1973

Worth delaying GMAT for OG 12 Quant & Verbal?

I wanted to get the opinion of the people from this forum. I was planning on starting to study for the GMAT beginning in July for an early October test date. I noticed, however, that the OG 12 for verbal and quant is scheduled to be released in mid and late August respectively. That being said, do y...

by tim0thy

Thu May 28, 2009 9:43 am
Forum: GMAT Strategy
Topic: Worth delaying GMAT for OG 12 Quant & Verbal?
Replies: 2
Views: 1104