GMAT Problem Solving (PS) | Re: A committee that includes 6 members is about...
now, there is a similar problem, if there are 9 committees divided into 3 equal sub-committees, what is chance that both Michael and Bose are in the same sub?According to re-interpretation of the...
View ArticleGMAT Problem Solving (PS) | Re: A set of 15 different integers has median of...
I think the easiest way to approach this problem is process eliminationLet's look at answer D which is 4325 is the 8th number in the sequence43 - x = 25x = 43 - 25x = 1818, 19, 20, 21, 22, 23, 24,...
View ArticleGMAT Problem Solving (PS) | Re: A smaller circle is inscribed in a larger...
Hello from the GMAT Club BumpBot!Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think...
View ArticleGMAT Quantitative Section | Re: combinatorics/probability problem -- please help
VeritasPrepKarishma,Could you please explain why all the way are 3X3X3X3?
View ArticleGMAT Data Sufficiency (DS) | Re: During a 40-mile trip, Marla traveled at an...
Bunuel wrote:During a 40-mile trip, Marla traveled at an average speed of x miles per hour for the first y miles of the trip and and at an average speed of 1.25x mph for the last 40-y miles of the...
View ArticleFree Questions | Re: S99-19
1 should be sufficient 1/2 amount of all sandwiches were tuna , so 150 are veggie melts1/3 were men , thats 1/3x300= 100, so Women are 200150/200=3/4Am i wrong?
View ArticleGMAT Data Sufficiency (DS) | All of the students in a certain class took a...
Statement 1 provides that the possible number of correct answers ranges from[2;20] , inclusive. Since we do not directly know how many students there are in the class, there might either be...
View ArticleGMAT Problem Solving (PS) | 10kg of a mixture contains 30% sand and 70% clay....
tejal777 wrote:10kg of a mixture contains 30% sand and 70% clay. In order to make the mixture contain equal quantities of clay and sand how much of the mixture is to be removed and replaced with pure...
View ArticleGMAT Problem Solving (PS) | Re: The total price of a basic computer and...
Where does the $3,000 comes from??
View ArticleGMAT Data Sufficiency (DS) | Re: When n and k are positive integers, what is...
==> In the original condition, there are 2 variables, and in order to match the number of variables to the number of equations, there must be 2 equations. Since there is 1 for con 1) and 1 for con...
View ArticleGMAT Data Sufficiency (DS) | Re: If x+z=y, is x>y?
==> If you modify the original condition and the question, you get x>y?, x-y>0? Or –z>0? Or z<0?. Thus, from con 2), it is always yes and sufficient. The answer is B.Answer: B
View ArticleGMAT Problem Solving (PS) | Re: If xy>0, which of the following must be...
==> Squares are always positive, so the inequality sign doesn’t change even if you multiply or divide. Thus, from xy>0 and \((x^2)xy>(x^2)0\), you get \(x^3y>0\). The answer is E.Answer: E
View ArticleGMAT Quantitative Section | Re: Overview of GMAT Math Question Types and...
When n and k are positive integers, what is the greatest common divisor of n+k and n?1) n=22) k=1==> In the original condition, there are 2 variables, and in order to match the number of variables...
View ArticleGMAT Problem Solving (PS) | Re: Problem Solving Pack 3, Question 2 If x^2 -...
there is an easy approach to this problem, remember to put kudos for me :Dx^2 +xy - 32 = 0 => 4x^2 +4xy +y^2 = 128 + y^2 => (2x + y)^2 = 128 + y^2Then, try each options, starting at the smallest...
View ArticleGMAT Problem Solving (PS) | Re: |x+3| - |4-x| = |8+x|. How many solutions...
this problem has a very simple solution, give me your kudos after reading it, thanksso, first move the -[4-x] to the right,2nd step, square both sides of the equation3rd, take all variables to one...
View ArticleGMAT Club Tests | Re: M23-29
VeritasPrepKarishma wrote:manishtank1988 wrote: Hellomoderators,Engr2012 ,Abhishek009 ,Skywalker18 ,Bunuel ,mikemcgarry ,VeritasPrepKarishma ,Vyshak ,msk0657 ,abhimahna Please let me know if there is...
View ArticleGMAT Problem Solving (PS) | Re: Let n~ be defined for all positive integers n...
Bunuel wrote:Nunuboy1994 wrote:Ok so I was initially not able to do this problem because I didn't understand how to divide 31!/32...Now that you guys have made the problem more clear I have a...
View ArticleGMAT Data Sufficiency (DS) | Re: In June 1989, what was the ratio of the...
Hello from the GMAT Club BumpBot!Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think...
View ArticleGMAT Problem Solving (PS) | Re: Let p = the product of all the odd integers...
fozzzy wrote:Let p = the product of all the odd integers between 500 and 598, and let q = the product of all the odd integers between 500 and 602. In terms of q, what is the value of\(\frac{1}{p}\)...
View ArticleGMAT Club Tests | M28-47
My 2 cents,Elaborating further on whatthapliya said:Initially, set = {2,2,2} mean = median = 2Now, set = {2,2,2,3} mean = 11/4 = 2.25 & Median = 2 To bring the mean of the set back to 2 we need to...
View Article