Search found 15 matches
- by mikepamlyla
Wed Jun 25, 2014 11:50 am- Forum: Data Sufficiency
- Topic: is it possible to write x as a terminating decimal?
- Replies: 8
- Views: 6145
Probability question
Bill has a set of 6 black cards and a set of 6 red cards. Each card has a number from 1 through 6, such that each of the numbers 1 through 6 appears on 1 black card and 1 red card. Bill likes to play a game in which he shuffles all 12 cards, turns over 4 cards, and looks for pairs of cards that have...
- by mikepamlyla
Mon Jun 16, 2014 11:22 am- Forum: Problem Solving
- Topic: Probability question
- Replies: 13
- Views: 6583
TOUGH DS
If a, b, and c are positive integers such that a < b < c, is a% of b% of c an integer? (1) b = (a/100)^(-1) (2) c = 100^b I rephrased the original statement to read is abc/10000 an integer? From statement 1 - ab=100 but don't know c insuff Statement 2 is insuff, as we don't know a. 1&2 - since a...
- by mikepamlyla
Mon Jun 02, 2014 9:52 am- Forum: Data Sufficiency
- Topic: TOUGH DS
- Replies: 2
- Views: 3625
hard DS problem - can someone help?
A certain panel is to be composed of exactly three women and exactly two men, chosen from x women and y men. How many different panels can be formed with these constraints?
(1) If two more women were available for selection, exactly 56 different groups of three women could be selected.
(2) x = y + 1
- by mikepamlyla
Sun Feb 02, 2014 11:10 am- Forum: Data Sufficiency
- Topic: hard DS problem - can someone help?
- Replies: 1
- Views: 1186
Thanks! If I am able to do All the problems in the OG for quant (PS and DS) in 2 min or less, would that be a good goal to try to achieve around a 700?
- by mikepamlyla
Thu Dec 19, 2013 10:07 am- Forum: Data Sufficiency
- Topic: Interesting question - arithmetic and stats
- Replies: 5
- Views: 1697
Brent, thank you! Your explanations are great!!!!!
Just curious, what level question is this one? 600?
- by mikepamlyla
Thu Dec 19, 2013 9:41 am- Forum: Data Sufficiency
- Topic: Interesting question - arithmetic and stats
- Replies: 5
- Views: 1697
Interesting question - arithmetic and stats
Any help here would be appreciated. This question is fairly straightforward but I am stumped as to whether c or e is the answer.
- by mikepamlyla
Wed Dec 18, 2013 5:46 pm- Forum: Data Sufficiency
- Topic: Interesting question - arithmetic and stats
- Replies: 5
- Views: 1697
- by mikepamlyla
Wed Dec 18, 2013 9:08 am- Forum: Data Sufficiency
- Topic: Mean question (pun not intended)
- Replies: 2
- Views: 1208
- by mikepamlyla
Tue Dec 17, 2013 8:06 pm- Forum: Data Sufficiency
- Topic: Median question
- Replies: 3
- Views: 1620
Hard PS question
If anyone can help with this challenging (at least for me) PS question it would be appreciated !!!
- by mikepamlyla
Mon Nov 25, 2013 8:34 am- Forum: Problem Solving
- Topic: Hard PS question
- Replies: 2
- Views: 1216
Number property question
Here is a problem that I am having a tough time figuring out what the question is asking.
- by mikepamlyla
Fri Nov 15, 2013 8:52 am- Forum: Data Sufficiency
- Topic: Number property question
- Replies: 2
- Views: 2440
Thanks Brent! This now makes sense. In your opinion, was this a hard question for the GMAT, either for Quant or RC?
- by mikepamlyla
Tue Sep 17, 2013 11:44 am- Forum: GMAT Math
- Topic: Clock Question - tricky wording
- Replies: 3
- Views: 3278
Clock Question - tricky wording
Brent, or any instructor,, can you please help me figure a way to solve this problem. The wording of this problem is tricky.
- by mikepamlyla
Tue Sep 17, 2013 7:05 am- Forum: GMAT Math
- Topic: Clock Question - tricky wording
- Replies: 3
- Views: 3278
Hi Brent,
Just curious how you obtained the values in the brackets for part A and B.
{2, 11, 11, 11, 11....}
{2, 19, 19, 19, 19....}
Thanks!
- by mikepamlyla
Tue Aug 20, 2013 8:47 am- Forum: Problem Solving
- Topic: Another tough question
- Replies: 4
- Views: 1246
Rich,
If there were 3 colors, then here is the logic:
It would take at least 3 attempts to make sure a matching pair was picked with 2 colors. For 3 colors, it would take a min of 4 attempts to get a matching pair. The question did not ask for a specific color, but just a match of ay color.
- by mikepamlyla
Tue Aug 06, 2013 4:29 pm- Forum: Problem Solving
- Topic: probability or combinatrics not sure
- Replies: 6
- Views: 1487