prachich1987 wrote:lunarpower wrote:prachich1987 wrote:Thanks Anurag.
Even I had marked B.
But the answer given in the document is A.It must be wrong.
yep
i noticed that you titled this thread "gmatprep I" -- did you actually see this problem on gmatprep,
with this solution, with your own two eyes? or did you get it from some kind of archive?
This is from the document "198 Level 700+ questions from GMAT Prep I which I downloaded from BTG.
ah. ok.
i downloaded it and wrote a post about it here:
https://www.beatthegmat.com/198-level-70 ... tml#327982
there are a couple of other sketchy problems in there -- for instance, #74 says that two INTEGERS x and y have a sum of 72, but statement (1) says that x = y + 1. this is impossible; if x = y + 1 and x+y = 72, then you get x = 36.5 and y = 35.5, contradicting the statement that they are integers.
so, overall, that's a decent source, but (a) be careful, and (b) they aren't all "top difficulty" problems (not that this matters anyway -- it doesn't).
in fact,
any claim by
anyone who purports to know the exact difficulty levels of official GMAC problems will
always be a lie; GMAC has never published the adaptive performance curves of any of its problems, nor does it ever plan to do so.
Ron has been teaching various standardized tests for 20 years.
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