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rnbp9

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Everything posted by rnbp9

  1. Havent seen that exercise says "50"....nevermind
  2. Answer is D but usually I would solve it as follows: 16x + 40y = 1200 16x = 1200 - 40y 16x = 40(30-y) 2x = 5(30-y) --> highest possible value for y that ensures equality on both sides y=28 (LCM of 2 and 5 = 10) Answer not provided, thus, calculation as above described by Masuraha
  3. This cant be a real GMAT question! E.g. 433/7 is 5.9ish. This is not even close to each other. Correct answer should be somewhere around 58-59 secs (1535 secs for 236 glasses multiplied by 9 glasses for one container)
  4. You're welcome buddy. I dont know 100% if it is correct, though....maybe any other opinions here?
  5. I also thought quite long about options A and E but I think that A is correct and I am trying to make my point. E: The thing is that we need to keep in mind the process. A bat flies flapping its wing and generates heat. Blood vessels are neccessary to disperse this heat. The conclusion says that because Sandactylus has the same network of blood vessels it flew by flapping its wings generating heat. The intended reasoning (flapping wings - generating heat - dispersed by blood vessels) is reversed now (blood vessels - flying by flapping wings - generation of heat) In this case, it might also be possible that blood vessels are there but dont fulfill any use.....the Sandactylus could fly by gliding not generating heat and not using its blood vessels to disperse heat because heat is not generated. Thus, it is A.
  6. Another approach to attack a question like this might be as follows: 1. Look for the conclusion and the statement and indentify their stated relationship to each other HERE: If other scientists conduct.....than there is no reason to officially confirm. Now you can attack this statement in different ways: If cause not occur than effect also not occur If no scientists conduct....there must be a way to officially comfirm...
  7. ¨ It is the conclusion of the argument. (NCORRECT - Conclusion is the first sentence - "This is clear from the fact that.." introduces a premise to support the preceding conclusion - you could also switch these two sentences and put e.g. "therefore" in front of the conclusion to make it more obvious) ¨ It is a support to the conclusion of the argument. (CORRECT - goals of citizens -> set of aspirations that contributes to their happiness; stable functioning of society depends on long-term stability of citizens' goals) ¨ It is a claim that must be refuted if the conclusion is to be validated. (INCORRECT - Conclusion and underlined sentence aim at the same direction) ¨ It is a natural corollary of the argument. (INCORRECT - It is a support and not a consequence or anything else) ¨ It is used to illustrate the general principle that the argument presupposes. (INCORRECT - It is not an illustration or an example...it is just a statement that supports the conclusion as elaborated above)
  8. years ago, according to some scientists, an asteroid bigger than Mount Everest slammed into North America, which, causing plant and animal extinctions, marks the end of the geologic era known as the Cretaceous Period. A. which, causing plant and animal extinctions, marks (which modifies North America - INCORRECT) B. which caused the plant and animal extinctions marking (same reason here -INCORRECT) C. and causing plant and animal extinctions that mark (parallelism needed between slammed and causing - INCORRECT) D. an event that caused plant and animal extinctions, and it marks (it refers to what? Event? Asteroid? It needs clear antecedent) E. an event that caused the plant and animal extinctions that mark (extinctions + that -> CORRECT restrictive clause)
  9. IMO A B out: past perfect in first part not necessary; "to hear OF" unidiomatic C,D,E out: Even though introduces sentence fragments....although usually introduces a subordinate clause which has a subject + verb
  10. A. Correct. This sentence contains two correct subordinate clauses introduced by that B. “What” cannot replace “that”; “the economy to avoid the recession” is awkward and unclear; “rather to come” does not complete the second part of the sentence idiomatically C. “Earlier in the year” should follow “many had feared”, rather than preceding it; “Instead to come” does not complete the second part of the sentence idiomatically D. “The recession” must be followed by “that”; “were fearing” is the wrong tense; “rather to come” does not complete the second part of the sentence idiomatically E. The passive voice construction “that was feared …” is weak and wordy; “with it instead coming” is awkward, wordy and ungrammatical
  11. Crises in international diplomacy do not always result from malice; for nations, like individuals, can find themselves locked into difficult positions, unable to back down. (A) do not always result from malice; for nations, like individuals, can find (B) do not always results from malice; nations, just as individuals, finding © do not always results from malice; nations, such as individuals, can find (D) aren’t always the results of malice; nations in the same way that individuals can find (E) aren’t resulting always from malice; just like individuals who can find
  12. IMO A: It is true that we dont need to say "to enroll students and to provide.." but it is also not a break rule... A sounds a bit more concise for me but I cant eliminate B for sure...
  13. D,E out: having introduces a modfier that modifies the entire preceding phrase....and not just the whale -> Fossils cant beach C out: "ago, which" -> which always modifies the word right in front of it.. B out: then + subsequently not necessary IMO A: correct use of a restrictive clause beginning with "that" to modify the whale rather than the fossils
  14. Preposition + noun + participle is unidiomatic -->We can eliminate all the answer choices that use with communal eating and social facilities included or any other structure that follows this pattern... C,E out A out: Ambigious: is clustered suburban houses parallel with child-care facilities or with urban apartment houses? We are left with B and D: I read somewhere that GMAT consider the infititive "to include" unidiomatic... IMO D
  15. IMO B C,D,E out because modifier at the beginning of the sentence needs to modify anything (a noun) A out because new technology cant employ the system of binomial nomenclature
  16. Who says that "even if" is not idiomatic? I do think that it is idiomatic and, therefore, not a reason to filter it out... A,B,E out because the meaning is not concise - price or consumers is modified? Between C and D: IMO C because there is a slight difference in meaning between "although" and "even if". I think that "even if" emphasizes a bit more the case that some consumers have to pay more although they did not do anything that should rise the insurance fee up....
  17. IMO A Either...or...or links three nouns...and the tense has to follow the noun nearest to the verb -> Pamela - is e.g.: Either the coach or the players are... Either the players or the coach is...
  18. Sorry, there was a misunderstanding. I meant that I dont know how to transform 5sqrt(2) into 10/ sqrt(2)? A few days ago I was calculating an exercise and the explanation said exactly this and I have no idea how to get there....thanks, though!
  19. Hey there, while working through the forum I found this sentence: Crises in international diplomacy do not always result from malice; for nations, like individuals, can find themselves locked into difficult positions, unable to back down. OA is apparently A and the one of the explanations is: "For" :corelative conjunction :introduces independant clauses. Is this grammatically correct?
  20. Although dozens of New York’s small museums are either devoted to local history or various ethnic groups, there are many one-of-a-kind museums from Manhattan to the Bronx that are open for exploration on summer weekends. (A) Although dozens of New York’s small museums are either devoted to local history or various ethnic groups, there are (B) Although dozens of New York’s small museums are devoted to local history or various ethnic groups, © Dozens of New York’s small museums are devoted to local history or various ethnic groups, but there are (D) Dozens of New York’s small museums are devoted to local history or various ethnic groups, and there are also (E) Devoted to local history or various ethnic groups, dozens of New York’s small museums and also OA later...
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