Search found 59 matches
Sorry, I got late to answer. I found another link where I explained in details how to use this matrix, see: http://gmatclub.com/forum/probability-b ... ml#p622413mehravikas wrote:Can you draw a table please?
- by caspermonday
Mon Oct 26, 2009 10:24 pm- Forum: Problem Solving
- Topic: Sets
- Replies: 4
- Views: 1625
- by caspermonday
Mon Oct 26, 2009 10:16 pm- Forum: Problem Solving
- Topic: 2x/y = prime
- Replies: 14
- Views: 2280
Hey, the best way, in my opinion was suggested by MGMAT (they propose to fill out a simple matrix, you should see it in their Word transalations). Refer there. You will save loads of time at your exam.
- by caspermonday
Mon Oct 26, 2009 10:48 am- Forum: Problem Solving
- Topic: Sets
- Replies: 4
- Views: 1625
by saying "neither of the couples sit together" do you mean that neither of two people making a couple sit together?
- by caspermonday
Mon Oct 26, 2009 10:37 am- Forum: Problem Solving
- Topic: probabilty
- Replies: 7
- Views: 1576
- by caspermonday
Mon Oct 26, 2009 10:30 am- Forum: Problem Solving
- Topic: People chosing integers
- Replies: 2
- Views: 1058
People chosing integers
As a part of a game, four people each much secretly chose an integer between 1 and 4 inclusive. What is the approximate likelihood that all four people will chose different numbers?
OA [spoiler]3/32[/spoiler]
Please explain
- by caspermonday
Mon Oct 26, 2009 10:28 am- Forum: Problem Solving
- Topic: People chosing integers
- Replies: 2
- Views: 1058
- by caspermonday
Mon Oct 26, 2009 6:43 am- Forum: I just Beat The GMAT!
- Topic: 680->750 Q(48) V(46) in 5 weeks.
- Replies: 11
- Views: 3857
- by caspermonday
Sun Oct 25, 2009 9:34 am- Forum: Problem Solving
- Topic: Men & Women around circular table
- Replies: 4
- Views: 4799
- by caspermonday
Sun Oct 25, 2009 9:31 am- Forum: Problem Solving
- Topic: COMPUTER & vowels position
- Replies: 5
- Views: 1663
- by caspermonday
Sun Oct 25, 2009 9:30 am- Forum: Problem Solving
- Topic: 2x/y = prime
- Replies: 14
- Views: 2280
Thanks! Didn't quite get this thing..xcusemeplz2009 wrote: 3 things can be arranged in 4 places in 4! ways
- by caspermonday
Sun Oct 25, 2009 9:23 am- Forum: Problem Solving
- Topic: COMPUTER & vowels position
- Replies: 5
- Views: 1663
ok, how do we make sure that in such an arrangement, no two women sit next to each other? my thinking was (though I could never take it to the end) to subtract number of arrangements where two women sit together from the total number of arrangements. the way we normally do it. total number of ways t...
- by caspermonday
Sun Oct 25, 2009 9:20 am- Forum: Problem Solving
- Topic: Men & Women around circular table
- Replies: 4
- Views: 4799
2x/y = prime
If y ≠3 and 2x/y is a prime integer greater than 2, which of the following must be true?
I. x = y
II. y = 1
III. x and y are prime integers.
(A) None
(B) I only
(C) II only
(D) III only
(E) I and II
No OA again. I am hesitating btw a and d...
- by caspermonday
Sun Oct 25, 2009 8:04 am- Forum: Problem Solving
- Topic: 2x/y = prime
- Replies: 14
- Views: 2280
Men & Women around circular table
Seven men and seven women have to sit around a circular table so that no 2 women are together. In how many different ways can this be done?
I have no OA..
Please explain.
- by caspermonday
Sun Oct 25, 2009 7:38 am- Forum: Problem Solving
- Topic: Men & Women around circular table
- Replies: 4
- Views: 4799
COMPUTER & vowels position
In how many ways can word "computer" be arranged so that vowels occupy the even positions?
OA 2,880
Please explain
- by caspermonday
Sun Oct 25, 2009 6:50 am- Forum: Problem Solving
- Topic: COMPUTER & vowels position
- Replies: 5
- Views: 1663