Search found 38 matches


Not an expert but here's my take on this: Using sample numbers: Faculty to Student is 1:9 2/3 of students are female and 1/4 of faculty is female, so we need to pick a number that is easy to divide by those fractions Suppose there are 4 faculty memebers, then there are 36 students 1/4 of 4 = 1 2/3 o...

by sakali

Tue Oct 24, 2017 10:28 am
Forum: Problem Solving
Topic: At College X, the faculty-to-student ratio is 1:9
Replies: 3
Views: 2602

S2 tells us that the first hour cost $1.25, then that leaves $3.75 for the remaining hours.

This could mean, the second hour cost $3.75 or the next 3 hours cost $1.25 each. This does not tell us exactly how many hours the car was parked. So, INSUFFICIENT.

by sakali

Tue Oct 24, 2017 6:40 am
Forum: Data Sufficiency
Topic: Yesterday, Jamie parked her car at a
Replies: 1
Views: 711

Let x be the distance of the shorter route Let y be the distance of the longer route S1 tells us that x + y = 52; We don't know what x is; INSUFFICIENT S2 tells us that 2y = 60 --> y = 30 We don't know what x is; INSUFFICIENT S1 + S2 tells us that x + 30 = 52 We don't need to calculate the number, t...

by sakali

Tue Oct 24, 2017 6:34 am
Forum: Data Sufficiency
Topic: Jason can drive from his home. . . .
Replies: 1
Views: 668

E is correct because E is out of scope.


It talks about domestic flights...the question is concerned with Transatlantic flights; not domestic.

by sakali

Fri Mar 04, 2011 7:50 am
Forum: Critical Reasoning
Topic: a cr from gmatclub
Replies: 7
Views: 1747

Number Theory...7^100

Define A = the sum of digits of the number 7^100 and B = sum of digits of A. What is the sum of digits of B?

A) 7
B) 16
C) 10
D) 11
E) Cannot be Determined

OA - A

by sakali

Wed Sep 08, 2010 1:44 pm
Forum: Problem Solving
Topic: Number Theory...7^100
Replies: 6
Views: 1626

The Daughters of the American Revolution, a volunteer service organization, admits as members only women who can prove lineal descent from a patriot of the American Revolution. A) admits as members only women who can prove lineal descent B) admit as members only women who can prove lineal descent C...

by sakali

Thu Jul 29, 2010 8:17 am
Forum: Sentence Correction
Topic: American revolution
Replies: 7
Views: 1452

Chinese, the most ancient of living writing systems, consists of tens of thousands of ideographic characters, each character miniature calligraphic composition inside its own square frame. (A) each character a miniature calligraphic composition inside its (B) all the characters a miniature calligra...

by sakali

Tue Jul 27, 2010 6:24 am
Forum: Sentence Correction
Topic: ideographic characters
Replies: 6
Views: 1829

I got "D" as well. My reasoning was that there's a rule that says the noun modifiers have to be "touching". So we need the "who" immediately after the noun "James Cook". Is my understanding correct? "By whom" is wrong and "who" is correct?

by sakali

Mon Jul 26, 2010 3:55 pm
Forum: Sentence Correction
Topic: Glass House
Replies: 9
Views: 6213

I got C as well...but I just plugged in numbers to get the answer.

kvcpk
Can you please elaborate on how you went from

2p-2k>7
to
Hence 2p+1-2k>8

by sakali

Fri Jul 23, 2010 11:30 am
Forum: Problem Solving
Topic: integers : source - kaplan
Replies: 6
Views: 1210

blaster wrote:what is the purpose of this question? simplifying?
The purpose is a mystery, so I assumed it is simplifying / solving for the variables.

by sakali

Thu Jul 22, 2010 6:09 am
Forum: Problem Solving
Topic: Multiple Parentheses -please help
Replies: 5
Views: 1504

X³(1+3(x+2-y²(xy-3x²))-y) Could you please give a step by step analysis for this application. My answer is -2y , but i am not sure if it is correct. Appreciate your help! It works out to X = 0 and Y = 7 Used the online math engine...WolframAlpha.com. Copy + Paste the bold & Underline link be...

by sakali

Wed Jul 21, 2010 12:54 pm
Forum: Problem Solving
Topic: Multiple Parentheses -please help
Replies: 5
Views: 1504

schumi_gmat wrote:In E it is the construction "Not only....But" which is correct then why is E wrong
E is wrong because it ends with but it...it does not have the also. The construction is Not only...But also. E is missing also

by sakali

Fri May 21, 2010 2:59 pm
Forum: Sentence Correction
Topic: Not only did the systematic clearing of forests
Replies: 48
Views: 28015

loveusonu wrote:The close call was between C\E because both the IDIOMS are correct i.e "believe that" and "believe to be"
But C wins the race

Hope that helps!
So...just to clarify, you mean E wins the race, not C ?

"E" is my pick as well.

by sakali

Thu May 20, 2010 2:28 pm
Forum: Sentence Correction
Topic: Palomar Observatory
Replies: 6
Views: 1658

Thanks all, for the clear explanations.

Pretty useful to remember the FANBOYS rule.

From what I gather...words like because, despite, etc. can never follow a comma and act as a coordinating conjunction. Correct?

by sakali

Wed May 19, 2010 3:01 pm
Forum: Sentence Correction
Topic: for as conjunction: Interesting SC
Replies: 9
Views: 2164

I will go with "C" on this one. Here's why: I ruled out "B" and "E" first... "B" starts with being... its awkward "E" says ..and that they are ...no need for that Left with A, C & D "D"...I think the extra and is awkward here. "A&q...

by sakali

Wed May 19, 2010 2:44 pm
Forum: Sentence Correction
Topic: ,and X and Y
Replies: 9
Views: 1662