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Article on Inequalities Part 2
During GMAT exam, where time is precious, complicated inequalities often create a difficult situation. Purpose of this article is to narrate the paradigms of inequalities and to state the methods to solve the inequalities. This Article is actually a digital version of my handwritten notes collected ...
- by abhijitlandge
Tue Aug 27, 2013 11:37 am- Forum: Problem Solving
- Topic: Article on Inequalities Part 2
- Replies: 0
- Views: 868
Article on Inequalities Part 1
During GMAT exam, where time is precious, complicated inequalities often create a difficult situation. Purpose of this article is to narrate the paradigms of inequalities and to state the methods to solve the inequalities. This Article is actually a digital version of my handwritten notes collected ...
- by abhijitlandge
Tue Aug 27, 2013 11:35 am- Forum: Problem Solving
- Topic: Article on Inequalities Part 1
- Replies: 0
- Views: 892
+1 Thank to you for your signature linepemdas wrote:del
Success doesn't come overnight
great line for those who are always in search of shortcuts and tricks
Abhijit
- by abhijitlandge
Thu Apr 25, 2013 10:01 am- Forum: Problem Solving
- Topic: GMAT Question:
- Replies: 6
- Views: 4613
PERMUTATIONS and COMBINATIONS Simplified
Dear Friends,
Here is my new article on Permutation and Combinations.
Hope this will help you in making fundamental base clear.
Enjoy
Regards,
Narenn
- by abhijitlandge
Thu Apr 25, 2013 9:48 am- Forum: Problem Solving
- Topic: PERMUTATIONS and COMBINATIONS Simplified
- Replies: 0
- Views: 2038
Allegation will be useful in solving this problem.
Go thru the attachment for solution
Regards,
Abhijit
Here is the question on similar concept
http://www.beatthegmat.com/unable-to-un ... 02593.html
- by abhijitlandge
Mon Apr 22, 2013 10:57 am- Forum: Problem Solving
- Topic: mixture
- Replies: 9
- Views: 10849
Hi, I have read the explanations given for this problem in other threads; but my question is based on understanding the slot method better - more specifically, how do we know which factorial to divide by.. "A certain law firm consists of 4 senior partners and 6 junior partners. How many differ...
- by abhijitlandge
Mon Apr 22, 2013 9:59 am- Forum: Problem Solving
- Topic: Combinatorics - why does order matter here
- Replies: 2
- Views: 1141
Time, Speed, and Distance Simplified
Fundamentals of Time, Speed, and Distance Distance = Speed X Time Proportionalities implicit to the above equation. 1) Direct Proportionality between Time and Distance (When Speed is constant) When speed is constant distance will vary as time Car A moves for 2 hours @ 25kmph ---------> d = s X t --...
- by abhijitlandge
Sun Mar 31, 2013 11:57 am- Forum: Problem Solving
- Topic: Time, Speed, and Distance Simplified
- Replies: 10
- Views: 68583
IMO: the answer to this question should be D as if the place where the person is standing is not told in the problem,so it is required that the length of the platform should be the time taken for the train to cross the platform i.e. distance=speed *time, 72* 30=2160*1000/3600=600 metres. Overall th...
- by abhijitlandge
Wed Mar 20, 2013 1:37 am- Forum: Problem Solving
- Topic: What is the length of the platform in meters...............
- Replies: 46
- Views: 27475
Co Ordinate Geometry Simplified
Hello Everyone,
I am glad to present this compilation of Ideas/concepts pertaining to Co-ordinate Geometry, which is most feared part of QA on the GMAT.
Thanks and Regards,
Abhijit
- by abhijitlandge
Tue Mar 19, 2013 11:58 am- Forum: GMAT Math
- Topic: Co Ordinate Geometry Simplified
- Replies: 1
- Views: 2312
In choice A, both renovating and advertising are running without prepositional phrase. Is it correct?
- by abhijitlandge
Fri Mar 15, 2013 11:05 am- Forum: Sentence Correction
- Topic: Parallelism
- Replies: 5
- Views: 1715
Its A. Analysis :- university decided that library will be closed during summer. Student taking summer classes opposed the decision saying that the library is the only source to access the study material they need during summer classes. University counters the claim saying that study material can be...
- by abhijitlandge
Fri Mar 15, 2013 8:26 am- Forum: Critical Reasoning
- Topic: pls tell me how do we select an ans between A & B n why
- Replies: 3
- Views: 1379
bonus = average of 1.5% of net profit and 5 times sales. total bonus is divided in 12 parts. out of which chief technology officer received 2 parts for 1.65 million. So the total bonus must be 9.9 millions. so 9.9 = (1.5%of N + 5S)/2 ----> 19.8=1.5% of N + 13 ------> 6.8=1.5% of N ------> 6.8=(1.5/1...
- by abhijitlandge
Thu Mar 14, 2013 11:49 pm- Forum: Problem Solving
- Topic: At the end of the year, the six members of the board of di
- Replies: 4
- Views: 1308
Thanks a lot Abhijit. Numbers divisible by 2 ----> 100/2 ------> 50 Numbers divisible by 3 ----> (100/3)- both even and odd multiples of 3 ------> 33 Numbers divisible by 5 ----> All 20 cases Is there any way to find the solution using the above three data (by using n(AUBUC) sets formula) ? The For...
- by abhijitlandge
Thu Mar 14, 2013 11:12 pm- Forum: GMAT Math
- Topic: (Sets) Please help me with this question !
- Replies: 5
- Views: 1770
In a class of 100 students, numbered 1 to 100, all the even numbered students opt physics, all the students whose number is divisible by 3 opt Chemistry and all the students whose number is divisible by 5 opt Mathematics. How many students opt none of these subjects. A) 3 B) 16 C) 26 D) 50 E) 74 We...
- by abhijitlandge
Thu Mar 14, 2013 1:10 pm- Forum: GMAT Math
- Topic: (Sets) Please help me with this question !
- Replies: 5
- Views: 1770
Whats wrong with choice E
There is a simple way to solve such (weighted average) questions.
Go thru the file attached with this post
Regards,
Abhijit.
PS :- As advised by Anju, Please post whole question along with all answer choices for better understanding and reply.
- by abhijitlandge
Thu Mar 14, 2013 12:05 pm- Forum: Problem Solving
- Topic: unable to understand dis equation
- Replies: 3
- Views: 1553