Search found 4 matches
Mitch, can you please explain or simplify this statement "the point that is twice as far from P as from Q?" From my understanding this means that point is 2x the distance from P and 2x the distance from Q or simply in the middle of the two. Am I reading this correctly? Greatly appreciate y...
- by frankodern
Sat Feb 08, 2014 7:43 am- Forum: Problem Solving
- Topic: Coordinate Geometry prob
- Replies: 14
- Views: 8601
Dr. Anurag, Can you please explain the use of 2(n-1); I have seen this used for range questions but do not understand it. I would really appreciate your assistance. If the average (arithmetic mean) of n consecutive odd integers is 10, what is the least of the integers? 1. The range of the n integers...
- by frankodern
Tue Jan 21, 2014 5:47 am- Forum: Data Sufficiency
- Topic: OG DS #66
- Replies: 6
- Views: 4509
Patrick, Thank you very much for posting the video, however, in my opinion, I would recommend using numerical examples when explaining the Arithmetic sequence. Thank you very much. In an arithmetic sequence (a sequence of numbers that are evenly spaced), average is always equal to median. The soluti...
- by frankodern
Sat Jan 18, 2014 3:12 pm- Forum: Data Sufficiency
- Topic: QUANT REVIEW 112
- Replies: 6
- Views: 2769
Papgust,
can you please explain the "2(n-1)"? The reason I am asking is because in both your examples, you have used n=3 but there are 3 numbers in the first and 4 in the second.
Thanks,
- by frankodern
Tue Jan 14, 2014 3:38 pm- Forum: Data Sufficiency
- Topic: QUANT REVIEW 112
- Replies: 6
- Views: 2769