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Join Date: Oct 2004 Location: Kingdom of Heaven | CAT 2007: Quantitative Questions a Day 51 to 100 - The Discussions -
06-06-2007, 01:33 PM
Please carry the QQAD discussion for the next 50 problems here.
Try getting each and every solution in the very 1st attempt itself. Avoid risky speed.
Just in case you see any mod around, please request him to make this thread sticky.
Good Luck to all 
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Join Date: May 2007 Location: HYDERABAD Age: 21 | Re: CAT 2007: Quantitative Questions a Day 51 to 100 - The Discussions -
07-06-2007, 07:27 AM
Quote:
Originally Posted by Aarav  Please carry the QQAD discussion for the next 50 problems here.
Try getting each and every solution in the very 1st attempt itself. Avoid risky speed.
Just in case you see any mod around, please request him to make this thread sticky.
Good Luck to all |
I couldnot access my email id.pls send today's question.  | | | | | The Following 2 Users Say NO Thank You to jyothirmayee_k For This Un-useful Post: | | | | | |
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Join Date: Jun 2006 Location: New delhi Age: 22 | Re: CAT 2007: Quantitative Questions a Day 51 to 100 - The Discussions -
07-06-2007, 07:43 AM
A request to the mods,
as we start questions 51 to 100 it would be nice if a compiled version of the first 50 qqad is also posted..it'll help all those who missed few questions here n there and also for reviewing the questions again..
cheers
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Join Date: Aug 2005 Location: IIM Calcutta Age: 24 |  Solutions to first 48 problems for 2007 season -
07-06-2007, 09:56 AM
Quote:
Originally Posted by vineetvijay A request to the mods,
as we start questions 51 to 100 it would be nice if a compiled version of the first 50 qqad is also posted..it'll help all those who missed few questions here n there and also for reviewing the questions again..
cheers
vineet | Well, my little contribution to the QQAD. Solutions to the first 48 problems
The last two arent added because of the jumbling up of the questions by the NL
Have added it in various formats One request: Someone please keep track of the problems with solution in a file from now on.
Cheers
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Join Date: Oct 2005 Location: kolkata Age: 23 | Re: CAT 2007: Quantitative Questions a Day 51 to 100 - The Discussions -
07-06-2007, 10:46 AM
Hi,
For Quest # 51,
The min LCM I got is 12..and mac is 420,
so M = 408.
So there are only 16 such factors..
Hence my answer is (E)
Last edited by dhruv.dingliwal; 07-06-2007 at 11:15 AM.
Reason: Correction
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Join Date: Jan 2007 Location: Hyderabad | Re: CAT 2007: Quantitative Questions a Day 51 to 100 - The Discussions -
07-06-2007, 10:52 AM
51)
The sum of 6 natural numbers (not necessarily distinct) is 23. Let M denote the positive difference of the maximum and minimum of the LCM of these 6 numbers. Then total number of divisors that divide M^2 but doesn't divide M are
(a) 22 (b) 33 (c) 18 (d) 26 (e) none of the foregoing
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Join Date: May 2007 Location: HYDERABAD Age: 21 | Re: CAT 2007: Quantitative Questions a Day 51 to 100 - The Discussions -
07-06-2007, 10:52 AM
Quote:
Originally Posted by dhruv.dingliwal Hi,
For Quest # 51,
The min LCM I got is 18..and mac is 420,
so M = 402.
Therefore factors of 402^2 that won't divide 402 are 804, 1206, 67*402, 201*402, 134*402 and 6*402. So there are only 6 such factors..
Hence my answer is (E) |
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Join Date: Oct 2005 Location: kolkata Age: 23 | Re: CAT 2007: Quantitative Questions a Day 51 to 100 - The Discussions -
07-06-2007, 10:57 AM
Question:
The sum of 6 natural numbers (not necessarily distinct) is 23. Let M denote the positive difference of the maximum and minimum of the LCM of these 6 numbers. Then total number of divisors that divide M^2 but doesn't divide M are
(a) 22 (b) 33 (c) 18 (d) 26 (e) none of the foregoing
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Join Date: Apr 2007 Location: Bangalore | Hope this is of some help- The QQAD 2006 questions and answers -
07-06-2007, 10:59 AM
Hi guys,
I have uploaded the QQAD 2006 questions with solutions. Hope you find it useful.  | | | | | The Following 22 Users Say Thank You to v-factor For This Useful Post: | Aarav (11-06-2007), akumar802 (18-07-2007), gabriel666 (04-08-2007), getneonow (07-06-2007), Giriz (02-08-2007), HarshaRocks (17-06-2007), Jaskiran (07-06-2007), jolly.jaycee (26-08-2008), kavita_iet (14-07-2007), krishor (23-06-2007), Laxmi (22-06-2007), mission_enjoy (19-07-2007), mohit_ranka (08-06-2007), rani_das (26-07-2007), ruchi564882 (10-06-2007), saurabhgulati (07-06-2007), say_him (18-07-2007), shyamnaren (10-06-2007), silentcrescent (22-07-2007), sunilnatraj (07-06-2007), useles_crapstr (22-06-2007), vibhu1.618 (19-06-2007) | | | | |
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Join Date: Apr 2007 Location: Bangalore Age: 24 | Re: CAT 2007: Quantitative Questions a Day 51 to 100 - The Discussions -
07-06-2007, 11:08 AM
Quote:
Originally Posted by dhruv.dingliwal Hi,
For Quest # 51,
The min LCM I got is 16..and mac is 420,
so M = 404.
Therefore factors of 404^2 that won't divide 404 are 808, 1616, 404*101, 404*202, 404^2.
So there are only 5 such factors..
Hence my answer is (E) | Dhruv,
If we consider the 6 numbers as 4,4,4,4,4 and 3 (Since the numbers do not have to be distinct), the LCM is 12 which is I believe the minimum possible LCM.
Max LCM.. still working on it.
Regards,
PeeGeeKay
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