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Director
Joined: 13 Dec 2006
Posts: 510
Location: Indonesia
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Permutations, Combinations, Probability - Download Questions [#permalink]
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 15 Dec 2007, 18:05
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Guys, Enclosed please find list of 55 different question with explanation. I got this from the GMATClub forum and found very impressive to learn most of the required commonly tested concepts. I am returning back to the forum so that everyone can use it for hir/her benefit. Amar Please discuss specific questions in PS or DS subforums.
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Intern
Joined: 15 Aug 2007
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thanks a lot, they are very helpful.
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Intern
Joined: 08 Feb 2006
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thanks for the stuff, its really helpful.
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Manager
Joined: 13 Jan 2009
Posts: 170
Schools: Harvard Business School, Stanford
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Re: P&C, Probability - Download [#permalink]
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04 Feb 2009, 00:20
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Thanks a lot, it is very helpfull!
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Manager
Joined: 08 Apr 2009
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Re: P&C, Probability - Download [#permalink]
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19 May 2009, 11:34
Thanks...for the great work
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Retired Moderator
Status: The last round
Joined: 18 Jun 2009
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Concentration: Strategy, General Management
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Re: P&C, Probability - Download [#permalink]
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24 Jun 2009, 05:22
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Senior Manager
Joined: 25 Mar 2009
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Re: P&C, Probability - Download [#permalink]
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24 Jun 2009, 13:10
This is great. What's the difference b/w the two files?
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Manager
Joined: 28 Jan 2004
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Location: India
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Re: P&C, Probability - Download [#permalink]
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26 Jun 2009, 22:13
thx a lot.Looking for these for a long time.
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Manager
Joined: 07 Jun 2009
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Re: P&C, Probability - Download [#permalink]
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27 Jun 2009, 06:07
Thanks for your help Amar 
_________________
"Always....Read between the lines"
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Intern
Joined: 17 Jun 2009
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Re: P&C, Probability - Download [#permalink]
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29 Jun 2009, 15:46
Thank you so much for your kindness
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Senior Manager
Joined: 04 Jun 2008
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Re: P&C, Probability - Download [#permalink]
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11 Jul 2009, 14:04
thanks a lot
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Manager
Joined: 05 Jul 2009
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Re: P&C, Probability - Download [#permalink]
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27 Jul 2009, 23:57
Thaks a lot 
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Intern
Joined: 14 Jul 2009
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Re: P&C, Probability - Download [#permalink]
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28 Jul 2009, 05:18
thanks, i hope this is helpful.
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Intern
Joined: 03 Apr 2007
Posts: 5
Location: Canoga Park, CA
Schools: UCLA, CSU
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Re: P&C, Probability - Download [#permalink]
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29 Jul 2009, 12:58
To the moderator
Can we include the download to the "Combinations, Permutations, and Probability - References" Sticky post.
Thanks
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Manager
Joined: 05 Jul 2009
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Re: P&C, Probability - Download [#permalink]
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29 Jul 2009, 19:31
I got more than half of the questions wrong in the first try  Seems I need a lot of practice.
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Manager
Joined: 13 Aug 2009
Posts: 201
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Re: P&C, Probability - Download [#permalink]
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19 Aug 2009, 11:21
Amardeep,
Thank you so much for your very helpful post. I was in the middle of compiling a list of probablity questions myself when I realized that you had already done so.
Thanks again!
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Manager
Joined: 19 Feb 2009
Posts: 55
Schools: INSEAD,Nanyang Business school, CBS,
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Re: P&C, Probability - Download [#permalink]
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13 Oct 2009, 11:03
Thanks alot!! i needed something on this topic!
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Working without expecting fruit helps in mastering the art of doing fault-free action !
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Manager
Joined: 13 Oct 2009
Posts: 55
Location: New York, NY
Schools: Columbia, Johnson, Tuck, Stern
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Re: P&C, Probability - Download [#permalink]
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14 Oct 2009, 07:21
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Thanks a lot friend, this can come in very handy.
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Intern
Joined: 24 Oct 2009
Posts: 1
Location: Philly, PA
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Re: P&C, Probability - Download [#permalink]
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24 Oct 2009, 08:56
This is great! Thanks for posting this!
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"In it to win it..."
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Manager
Joined: 05 Jul 2009
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Re: P&C, Probability - Download [#permalink]
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25 Oct 2009, 21:03
I have a question regarding the #37 question and the answer given.
37. How many 5 digit numbers can be created if the following terms apply: the leftmost digit is even, the second is odd, the third is a non even prime and the fourth and fifth are two random digits not used before in the number?
a) 2520
b) 3150
c) 3360
d) 6000
e) 7500
37. The best answer is A.
The first digit has 4 options (2,4,6,8 and not 0), the second has 5 options (1,3,5,7,9) the third has 3 options (3,5,7 and not 2), the fourth has 7 options (10-3 used before) and the fifth has 6 options (10-4 used before). The total is 4*5*3*7*6=2520.
Now, it is not mentioned that a number cannot be repeated in for the 3rd digit. Say in the 2nd digit the number is 3 and so it is for the 3rd digit. The structure can be 233--, now for the 4th digit the option is 8 not 7.
Surely then the answer given is not right. But I don't know how to proceed further. Can someone please help? Or am I wrong about the porcess?
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Re: P&C, Probability - Download
[#permalink]
25 Oct 2009, 21:03
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