GMAT Data Sufficiency (DS) | Re: If 2xy + z = 9, what is the value of the...
If 2xy + z = 9, what is the value of the positive integer z? (1) xyz - z^2 = 0 -->z(xy-z)=0 -->z=0 orz=xy . Since given that z is a positive integer, then discardz=0 and we are left withz=xy ....
View ArticleGMAT Problem Solving (PS) | Re: A train running at 25 km/hr takes 18 seconds...
abusaleh wrote:A train running at 25 km/hr takes 18 seconds to pass a platform. Next, it takes 12 seconds to pass a man walking at 5 km/hr in the same direction. Find the length of the train and that...
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GMAT Problem Solving (PS) | Re: A high school has 400 students 1/2 attend the...
@Chandru yeah..its pretty easy!!!! Thanks,Nila
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GMAT Problem Solving (PS) | Re: A box contains 10 red pills 5 blue pills 12...
These questions are easy, but scares me allot as there is no direct formula to rely on or leave rest of the effort on well versed algorithms of addition subtraction or division, really it needs alert...
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GMAT Data Sufficiency (DS) | Re: In the xy-plane , line l intersects a circle...
innocous wrote:In the xy-plane , line l intersects a circle with center at origin.Is the slope of line l equal to zero?1) line l passes through second quadrant.2) line l is perpendicular to the tangent...
View ArticleGMAT Problem Solving (PS) | Re: Of the 300 subjects who participated in an...
macjas wrote:Of the 300 subjects who participated in an experiment using virtual-reality therapy to reduce their fear of heights, 40 percent experienced sweaty palms, 30 percent experienced vomiting,...
View ArticleGMAT Quantitative Section | Re: INEQUATIONS(Inequalities) Part 2
Link for Practice Questions
View ArticleGMAT Problem Solving (PS) | Re: If g(x) = ax^5 + bx^3 + 1, and g(5) = 10,...
Galiya wrote:If g(x) = ax^5 + bx^3 + 1, and g(5) = 10, then g(–5) =?(A) – 10(B) – 8 (C) – 6(D) 0(E) 4g(5) = 10or, 5^5 a + 5^3 b + 1 = 10or, 5^5 a + 5^3 b = 9g(-5) = -5^5 a - 5^3 b + 1 = - (5^5 a + 5^3...
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GMAT Quantitative Section | Combinatorics
Here is a schematic presentation of how Combinatorics work. Ask yourself two questions.First, Does the order in which thing are done (or items are selected) matter in this question. If the answer is...
View ArticleGMAT Data Sufficiency (DS) | Re: If n is a positive integer and the tens...
Ques :- Ifn is a positive integer and the tens digit of n+8 is 6, what is the tens digit ofn ?Tens digit of n+8 is 6, So lets assume that n+8 is6b , whereb is units digit.We are asked the tens digit...
View ArticleGMAT Problem Solving (PS) | Re: Three bodies A, B and C start moving around a...
Three bodies A, B and C start moving around a circular track of length 60m from the same point simultaneously in the same direction at speeds of 3 m/s, 5 m/s and 9 m/s respectively. When will they...
View ArticleGMAT Problem Solving (PS) | Re: Mike and Emily need to build 2 identical...
carcass wrote:Mike and Emily need to build 2 identical houses. Mike, working alone, can build a house in 6 weeks. Emily, working alone, can build a house in 8 weeks. To determine who will do the...
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GMAT Data Sufficiency (DS) | Re: A rectangle is plotted on the standard...
abhisheksharma wrote:Bunuel, if the co-ordinates are 2root7 thn wht is the harm in it ??Posted from my mobile device Stem says that the coordinates of all vertices of the rectangle are...
View ArticleGMAT Problem Solving (PS) | Re: The sum of the positive integers from 1 to 27...
Stiv wrote:The sum of the positive integers from 1 to 27 is equivalent to the sum of the integers fromA-27 to 54B0 to 28C15 to 45D38 to 46E48 to 54I give kudos to anybody who post quick and efficient...
View ArticleGMAT Quantitative Section | Re: Inequalities
Jai, thank you for your response. It was extremely clear how you explained it.
View ArticleGMAT Problem Solving (PS) | Re: 30 people were invited to a dinner party. If...
Galiya wrote:PiyushKwhat is your method? i"ve never seen anything like this? Hi Galiya,This method is same as described above by umeshpatil, I am fixing the position of 30 people and distributing...
View ArticleGMAT Quantitative Section | Re: A scientist is studying bacteria whose cell...
ashishbakshi9 wrote:Question mentions about events 2 hours ago, now, and 4 hours from now… So the total time we’ll consider here will be 6 hours(1)Let population 2 hours ago be P.Population increases...
View ArticleGMAT Club Tests | probability problem : reckless mailman
Somebody can tell me where to find a solution for the next problem:Assume you have M letters to M different addressee and N mailboxes.If you are a reckless mailman, what is the probability that none of...
View ArticleGMAT Problem Solving (PS) | A dessert recipe calls for 50% melted chocolate...
Q) A dessert recipe calls for 50% melted chocolate and 50% raspberry puree to make a particular sauce. A chef accidentally makes 15 cups of the sauce with 40% melted chocolate and 60% raspberry puree...
View ArticleGMAT Data Sufficiency (DS) | Re: If a certain charity collected a total of...
could some instructor please explain:-three equations have been formed-1. from question stem. B+V+G =3602. from statement 1. B= 144 NOT SUFF ALONE3. from statement 2. B= .66( V+G) NOT SUFF ALONENow, i...
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