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Remainders

Data Sufficiency

Sorry, meant to say that the explanation that I have is different. OA is C.

by tom4lax

Wed Sep 09, 2009 5:37 pm
Forum: Data Sufficiency
Topic: Remainders
Replies: 14
Views: 3384

rural urban suburban.

Critical Reasoning

Interesting. I narrowed it down to A & D, but had a hard time moving from there. IMO A.

OA?

by tom4lax

Wed Sep 09, 2009 4:43 pm
Forum: Critical Reasoning
Topic: rural urban suburban.
Replies: 11
Views: 3039

OG12 / 111

Sentence Correction

Construction began in AD 69 AND was completed a decade later

Construction began in AD 69, was completed a decade later

First option makes more sense

by tom4lax

Wed Sep 09, 2009 5:57 am
Forum: Sentence Correction
Topic: OG12 / 111
Replies: 8
Views: 5205

requires of

Sentence Correction

Need form "requires that". Take out the "of public and private" and you will see the sentence doesnt make sense otherwise. B is comparing jobs to job, so not parrallel.

A is the only remaining answer.

by tom4lax

Wed Sep 09, 2009 5:53 am
Forum: Sentence Correction
Topic: requires of
Replies: 6
Views: 2810

Common Factor

Data Sufficiency

Brilliant, thanks so much. The step where we factor out the 3 to get to t = 3(2n+m) is what I was missing.

Very clear now.

by tom4lax

Wed Sep 09, 2009 5:46 am
Forum: Data Sufficiency
Topic: Common Factor
Replies: 5
Views: 1401

Help Needed in CR

Critical Reasoning

IMO, answer is B. Its assuming that there are only 2 categories for a certain element to the census. If there are 3, say we add a middle class, and they are fully reported (since they aren't mentioned), then the representation is incorrect. The argument is based on the premise that there are two bal...

by tom4lax

Tue Sep 08, 2009 6:19 pm
Forum: Critical Reasoning
Topic: Help Needed in CR
Replies: 14
Views: 3631

positive integer

Problem Solving

IMO D

75^3 = (5*5*3)^3 = (5^6)(3^3)

what are the maximum number of 5's? 6.

by tom4lax

Tue Sep 08, 2009 2:37 pm
Forum: Problem Solving
Topic: positive integer
Replies: 2
Views: 1057

Basic Verbal doubts

Sentence Correction

IMO A B A B

by tom4lax

Tue Sep 08, 2009 2:09 pm
Forum: Sentence Correction
Topic: Basic Verbal doubts
Replies: 4
Views: 2390

comparision q's

Sentence Correction

IMO, B & D.

by tom4lax

Tue Sep 08, 2009 1:54 pm
Forum: Sentence Correction
Topic: comparision q's
Replies: 12
Views: 2703

Common Factor

Data Sufficiency

I am not sure if I follow the logic 100%. How do we get from the question stem that 3 or 4 needs to be a factor of 12? I get the simplification to t = 2k + 3m Statement I) t = 2(3k) + 3m This to me means t = 6k + 3m Statement II) t = 2k + 3(3m) means t = 2k + 9m Taking a quick glance and plugging in...

by tom4lax

Tue Sep 08, 2009 12:55 pm
Forum: Data Sufficiency
Topic: Common Factor
Replies: 5
Views: 1401

probability

Problem Solving

got it, thanks.

by tom4lax

Tue Sep 08, 2009 11:16 am
Forum: Problem Solving
Topic: probability
Replies: 4
Views: 1134

probability

Problem Solving

Why wouldnt it technically be 6 possibile outcomes?

2,6
6,2
3,5
5,3
4,4
4,4

so 1/3?

by tom4lax

Tue Sep 08, 2009 11:04 am
Forum: Problem Solving
Topic: probability
Replies: 4
Views: 1134

If 75 and 48 are divided by an integer d

Problem Solving

Awesome, thanks for the explanation.

by tom4lax

Mon Sep 07, 2009 5:23 pm
Forum: Problem Solving
Topic: If 75 and 48 are divided by an integer d
Replies: 5
Views: 1907

Saffir-Simpson Hurricane

Sentence Correction

Do we know what the OA is? I'd be interested to see what the correct usage is.

by tom4lax

Mon Sep 07, 2009 5:18 pm
Forum: Sentence Correction
Topic: Saffir-Simpson Hurricane
Replies: 8
Views: 1908

5 people run a race and

Problem Solving

Whats your logic behind 3!2!?

by tom4lax

Mon Sep 07, 2009 2:51 pm
Forum: Problem Solving
Topic: 5 people run a race and
Replies: 8
Views: 2260