Search found 81 matches
Here is the solution Formula to find diagonals in a polygon: D = (n(n-3)/2) D = number of diagonals that is 20 n = ? 20=(n^2-3n)/2 40=n^2-3n n^2-3n-40= 0 Splitting the middle term, n^2-8n+5n-40=0 n(n-8)+5(n-8)=0 (n-8)(n+5)= 0 So there are two values for n n-8=0 or n+5=0 n = 8 or n = -5 n can't be ne...
- by amit28it
Thu Jun 28, 2012 12:21 am- Forum: Problem Solving
- Topic: Polygon -Geometry
- Replies: 8
- Views: 2095
Good way of understand this.
Nice way to teach Anurag. I really like your way to explain this problem with the statements and examples.
Understood it clearly with concept.
Formula for Area of a Triangle
- by amit28it
Sat Jun 23, 2012 4:56 am- Forum: Data Sufficiency
- Topic: Is 1/m < 1/n?
- Replies: 5
- Views: 2049
First of all its a very nice question and you should refer Dr.R.D.Sharma's book for the best answer of this question because It contains very nice explanation and examples also.
Cylinder Volume
- by amit28it
Wed Jun 13, 2012 5:10 am- Forum: Problem Solving
- Topic: Probability Question ..Need expert help
- Replies: 18
- Views: 3395
In my opinion this thing can create a big mess in examination, You should contact the management through internet for correction.
- by amit28it
Wed Jun 13, 2012 5:06 am- Forum: Lounge
- Topic: Shortened surname and GMAT entry
- Replies: 1
- Views: 1466
The solution provided by Mike@Magoosh is the most simple and the method used by him is also not very difficult and my answer for the question is same that is B.
Properties of Quadrilaterals
- by amit28it
Tue Jun 12, 2012 1:47 am- Forum: Data Sufficiency
- Topic: Confused
- Replies: 3
- Views: 1130
MBA Student Life
I also miss my campus life in great lakes and I must say there is no comparison of this life.
- by amit28it
Tue Jun 12, 2012 1:31 am- Forum: MBA Student Life
- Topic: MBA Student Life
- Replies: 3
- Views: 3246
In my opinion the solution provided by Ashujain is good and here is mine First of all, The Time taken by truck to travel a km = 1/40 hrs = 60/40 mins = 1.5 mins Time taken by the boy to travel 1km = 1/3 hrs = 60/3 mins = 20 mins Therefore, the boy will reach the truck in 20 - 1.5 = 18.5 mins This is...
- by amit28it
Sat Jun 09, 2012 12:15 am- Forum: Problem Solving
- Topic: Rate problem!
- Replies: 2
- Views: 1272
- by amit28it
Fri Jun 08, 2012 11:59 pm- Forum: Sentence Correction
- Topic: Sentence Correction
- Replies: 1
- Views: 963
First of all its a very nice question and the solution provided by aneesh.kg is best, This time when I came up with the solution its not the same but the procedure followed was same and correct.
Radius of a Circle
- by amit28it
Wed Jun 06, 2012 4:38 am- Forum: Data Sufficiency
- Topic: integers
- Replies: 2
- Views: 1013
The answer given by Anurag@Gurome I always love his style of explaining the problem and the answer is D as mentioned by him.
Circumference of a Circle Formula
- by amit28it
Mon Jun 04, 2012 4:11 am- Forum: Problem Solving
- Topic: How would you reason the second statement?
- Replies: 6
- Views: 1214
In my opinion the answer is A,
That is,
reduced the amount of phosphates that municipalities had been allowed to dump
- by amit28it
Mon Jun 04, 2012 4:03 am- Forum: Sentence Correction
- Topic: SC - Verb tense and Amount
- Replies: 12
- Views: 2484
Re : Please break the math into small parts
Hi Mr.Anurag@Gurome,
I was in a confusion that I think it will be x>1 but it also solve with x>2, could you bring solution that how's you done it ? I will also recommend x>1 but confused, I am going to check my solution again.
square footage calculator
- by amit28it
Wed May 30, 2012 5:37 am- Forum: Problem Solving
- Topic: Re : Please break the math into small parts
- Replies: 1
- Views: 773
I just want to give some general information about rhombus and I am giving the definition and properties of quadrilaterals as they are figures with four sides and four angles. There are many different types of quadrilaterals, which are classified by their sides and angles here are some examples-rect...
- by amit28it
Mon May 28, 2012 3:58 am- Forum: Data Sufficiency
- Topic: Rhombus
- Replies: 8
- Views: 5217
Re: numbers between 1 and 400
Very well solved I solved this problem and get same number, it's a typical task and during solving this question my friend aneesh.kg give the answer with well description.
Negative Correlation
- by amit28it
Sat May 26, 2012 2:18 am- Forum: Problem Solving
- Topic: Re: numbers between 1 and 400
- Replies: 0
- Views: 712
I think solution provided by mdavidm_531 is right as I calculate but here is one funny solution which is also interesting. Let's try to solve it in simple way x is divided by 10 remainder is 7 let it is 7 x is divided by 2 and get 1 as remainder obviously 7 now x is divided by 5 and we get remainder...
- by amit28it
Thu May 24, 2012 6:37 am- Forum: Data Sufficiency
- Topic: X is divided by 5
- Replies: 2
- Views: 9250