## Search found 233 matches

missing "he" at the end. read it with "he" and without "he" [quote="nikhilsrl"][u]Galileo did not invent the telescope, but on hearing, in 1609, that such an optical instrument had been made, he[/u] quickly built his own device from an organ pipe and spectacle lenses. a) Galileo did not invent the t...

- by yellowho

Sun Mar 20, 2011 5:03 am- Forum: Sentence Correction
- Topic: Galileo did not
- Replies:
**6** - Views:
**4728**

Actually it is an appositive per the discussion from Manhattan forum. however, you are still correct. the issue here and also my mistake is appositive = non-essential.

- by yellowho

Sun Mar 20, 2011 1:19 am- Forum: Sentence Correction
- Topic: Appositives
- Replies:
**10** - Views:
**3175**

Sorry I did this all wrong. The problem said [u]at least[/u] 65. So max all 3 is actually 100%. Disregard everything I wrote.

- by yellowho

Sat Mar 19, 2011 11:00 pm- Forum: Problem Solving
- Topic: Min/Max
- Replies:
**4** - Views:
**1058**

- by yellowho

Sat Mar 19, 2011 3:56 am- Forum: Problem Solving
- Topic: prime factors
- Replies:
**2** - Views:
**1360**

what's the source of this question? I dont rememeber seeing it in OG 12. Would love the see gmac's exp. if there's one.

- by yellowho

Sat Mar 19, 2011 1:49 am- Forum: Sentence Correction
- Topic: One of the most difficult problems
- Replies:
**5** - Views:
**1118**

Anurag,

Is there a reason this out using basic geometric rules rather than memorizing properties of each shape?

- by yellowho

Sat Mar 19, 2011 1:25 am- Forum: Data Sufficiency
- Topic: Geo: Rhombus
- Replies:
**3** - Views:
**1148**

Number 2: What is greater 3/4 or 5/7? 3*7 =? 5*4? 21>20 so 3/4 is greater. I. sqrt(x+y)/2x =? 1/sqrt(x+y) => cross multiply => x+y =? 2x => y=x Not sufficient II. (sqrt(x)+sqrt(y)) =? X+Y/sqrt(x+Y) => sqrt(x)+sqrt(y)= sqrt(x+y) => Squaring both sides x+y+2sqrt(xy)=x+y; since x,y are positives the le...

- by yellowho

Sat Mar 19, 2011 1:21 am- Forum: Problem Solving
- Topic: Algebra probability and Geometry
- Replies:
**3** - Views:
**957**

A or B. I choose A. I like the structure Main Clause, modifier, modifier of modifier.

If correct I will breakdown.

- by yellowho

Sat Mar 19, 2011 1:09 am- Forum: Sentence Correction
- Topic: One of the most difficult problems
- Replies:
**5** - Views:
**1118**

yeah. my way: (testing number)

0 is the first multiple of 35; can't come up with a k and n to satisfy

next 35, works.

I guess we got lucky here is there a "better" way to do this? Perhaps the experts on modulus can chime in.

- by yellowho

Sat Mar 19, 2011 12:15 am- Forum: Problem Solving
- Topic: Number Prop
- Replies:
**5** - Views:
**880**

##### Number Prop

When positive integer n is divided by 5, the remainder is 1, when n is divided by 7, the remainder is 3. What is the smallest positive integer k such that k+n is a multiple of 35?

- by yellowho

Fri Mar 18, 2011 11:38 pm- Forum: Problem Solving
- Topic: Number Prop
- Replies:
**5** - Views:
**880**

- by yellowho

Thu Mar 17, 2011 11:58 pm- Forum: Data Sufficiency
- Topic: Geo: Rhombus
- Replies:
**3** - Views:
**1148**

- by yellowho

Thu Mar 17, 2011 11:04 pm- Forum: Sentence Correction
- Topic: The number of people
- Replies:
**6** - Views:
**1779**

##### The number of people

Despite the growing number of people who purchase plane tickets online, airline executives are convinced that, just as one-third of bank customers still prefer human tellers to automatic teller machine, many travelers will still use travel agents A) growing number of people who purchase plane ticket...

- by yellowho

Thu Mar 17, 2011 9:38 pm- Forum: Sentence Correction
- Topic: The number of people
- Replies:
**6** - Views:
**1779**

##### Appositives

The 151 member governments of the World Bank are expected to increase the bankâ€™s funding by $175 billion, though some United States legislators cite an obstacle to congressional passage being the concern that the bankâ€™s loans will help foreign producers compete with American businesses. A. an ob...

- by yellowho

Thu Mar 17, 2011 9:10 pm- Forum: Sentence Correction
- Topic: Appositives
- Replies:
**10** - Views:
**3175**

##### Kravonia

I got this one correct but took a while. I still don't even think that the answer choice is a good answer. Although it is the least worst. Would love to hear some discussion why I am wrong. Note: There is a similar question to this with very similar wordings. However, they are entirely two different...

- by yellowho

Thu Mar 17, 2011 9:01 pm- Forum: Critical Reasoning
- Topic: Kravonia
- Replies:
**4** - Views:
**1337**