tamg08

Regarding question 3. Although it is a bit of a stretch, I reasoned that B was correct because metropolitan areas have many people. If most Met. Areas have Zoos, there will be huge number of local residents that go to the zoo. Since Met. Areas generally don't have pure aquariums, the pure aquariums are located in the country somewhere and it reasonable to assume that many of the people who attend them come from the surrounding areas. This would explain the paradox in the question stem.

IMO A B. Challenging an assumption that certain desirable outcome is outweighed by negative aspects associated with producing that outcome "...an assumption that certain desirable outcome is outweighed by negative aspects associated with producing that outcome..." sounds like something that the environmentalist MAY agree with. But even if he or she did agree with it, why would they challenge it?

I think this is an idiom question in disguise. Af first, I was stuck between B and E (both sounded OK to me.) The question then becomes "how to" versus "having". "How to" is a very common idiom, and the idiom itself implies some kind of challenge or problem. It seems to fit well. In B, having is possessive, and I felt that "Having to" would have been a better use of "to have". ex) ...having to use a flat sheet of paper to draw the spherical Earth. If this were B, I don't know what I would have picked.

I understand the known vs unknown problem, and noticed it when I answered the question, but I picked E. Don't we need a verb in the simple past somewhere in the sentence because of "HAD BUILT" in the non-underlined part of sentence? If so, "were" would be required, and E would be the only possibility (even though it is awkward).

Furthermore would need to be followed by a comma to avoid a run-on.

IMO C. (Don't have OA) 1) IS There are infinite possible values of n 2) As grems and Ankost described, 2 is IS 1) and 2): We know that n is 4 or 5. Going back to the first statement, it seems as though only n = 5 works for ALL values of M. ex: If M = 1; For n = 4, we have 1 X 2 X 3 X 4 X 5 (only 3 factors of 2) For n = 5, 1 X 2 X 3 X 4 X 5 X 6 (four factors of 2), so statement 1 is true. The fact that for M = 2, both N = 4 and N = 5 fit is irrelevant.

What is the positive integer n? (1) For every integer m, the product m(m + 1)(m + 2) ... (m + n) is divisible by 16 (2) n^2 - 9n + 20 = 0 (A) Statement (1) ALONE is sufficient to answer the question, but statement (2) alone is not. (B) Statement (2) ALONE is sufficient to answer the question, but statement (1) alone is not. © Statements (1) and (2) TAKEN TOGETHER are sufficient to answer the question, but NEITHER statement ALONE is sufficient. (D) EACH statement ALONE is sufficient to answer the question. (E) Statements (1) and (2) TAKEN TOGETHER are NOT sufficient to answer the question.

Thanks bose and tarkumar. I like this problem.

ex. Rising inventories, that are X, can....

IMO, The correct answer may have gotten around the issue by not including a verb in the "if" clause. Here, accompanied seems to function as an adjective. There is no tense to look for in the "if" clause, so I guess "can" is fine. Maybe it isn't even an "if" clause at all, but a modifier.

If xy not equal to 0, is xy=70? 1) x>y 2) x^2=y^2

I read... it also incorrectly uses if in the subordinate clause connected with can in the main clause. I think this is the part that is confusing people (it certainly is what has confused TestMagic students in the past), so let's flip the sentence around to see a bit more clearly that it's not correct to use if with can: If all of the three major networks broadcast the same statement, television can be superficial. This sentence should read: If all of the three major networks broadcast the same statement, television will be superficial. In other words, it's not correct to use can after if (in the context of what we've been talking about). Let's look at a simpler example: If the temperature drops below 0 degrees celsius, distilled water can or will freeze. Anybody know why If is OK here?

OA is E E also sounded correct to my ear. However, I was thrown off by something I read in Spidey's Notes. Apparently, I don't quite understand the usage of "If"

Rising inventories, when unaccompanied correspondingly by increases in sales, can lead to production cutbacks that would hamper economic growth. A)When unaccompanied correspondingly by increases in sales, can lead B)When not accompanied by corresponding increases in sales, possibly leads C)When they were unaccompanied by corresponding sales increases, can lead D)If not accompanied by correspondingly increased slaes, possibly leads E) If not accompanied by corresponding increases in sales, can lead

I thought that for the purposes of the gmat, we could simply take the positive square root value of a known number (such as 16), and that we only had to worry about the possible negative values of something like X^2 = 16, where we don't know whether x is + or -.