Search found 4 matches
Has this question been officially solved? IMO, the answer is E. Algebra Let's assume portfolio value is P, X% increase, Y% increase, Z% decrease From 1985 -> 1990 the value went from P ---> P*(1+(x/100)) From 1990 -> 1995 the value went from P*(1+(x/100)) ---> P*(1+(x/100))*(1+(y/100)) From 1995 -> ...
- by bigb62387
Thu Sep 19, 2013 8:17 am- Forum: Data Sufficiency
- Topic: Between 1980 and 1985, Pierre’s investment portfolio
- Replies: 6
- Views: 1861
Can't be anything other than A , right? (1) Average = Sum / N Sum = $51 million N = 100 SUFFICIENT (2) 60% sold at $450,000, but we're told nothing about the remaining 40%. They could have been sold for $1 a piece or $1 million a piece, and we would end up with 2 very different averages. INSUFFICIENT
- by bigb62387
Thu Sep 19, 2013 5:29 am- Forum: Data Sufficiency
- Topic: Nice DS Question
- Replies: 6
- Views: 2048
Awesome, thanks for the fast reply, it was very helpful. So I just watched that video, and there is a slide that says for DS questions "Figure conforms to information in the question. Figure does not necessarily conform to information in the statements" So, is it because the the question r...
- by bigb62387
Wed Apr 10, 2013 6:29 am- Forum: Data Sufficiency
- Topic: Data Sufficiency - Area of Circles - Trust the GMAT Diagram?
- Replies: 3
- Views: 3267
Data Sufficiency - Area of Circles - Trust the GMAT Diagram?
Hello - I was curious if someone could help better explain DS # 117 in the 12th Edition of the OG. I understand the logic, but I have read to NEVER trust diagrams provided on the test for Data Sufficiency portion, so whenever I am provided one, I always try to think of a way to disprove it. Can some...
- by bigb62387
Wed Apr 10, 2013 5:51 am- Forum: Data Sufficiency
- Topic: Data Sufficiency - Area of Circles - Trust the GMAT Diagram?
- Replies: 3
- Views: 3267