Quantitative | The sequence a_{1}, a_{2}, a_{3}, ... is such that ...
Hello everyone,I'm working on a sequence problem and would appreciate some help (the question is from the GMAT™ Focus Official Practice Exam 3). Here is the question:The sequence a_{1}\(\), a_{2}\(\),...
View ArticleProblem Solving (PS) | Re: If f(x) = |x| + [x] where [x] is the greatest...
Hi Brent and everyone, Could someone give more insight into how square brackets work? I do not understand their principle.Thank you in advance for you help!!!Statistics : Posted by Marc.duquene • on 31...
View ArticleProblem Solving (PS) | Re: If the average (arithmetic mean) of 18 consecutive...
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 ArticleProblem Solving (PS) | Re: x=2y-7+3z, which of the following must be odd?
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 ArticlePS Archive | Re: The sequence a_{1}, a_{2}, a_{3}, ... is such that ...
hugogva wrote:Hello everyone,I'm working on a sequence problem and would appreciate some help (the question is from the GMAT™ Focus Official Practice Exam 3). Here is the question:The...
View ArticleData Sufficiency (DS) | Re: If the triangle above has side lengths w, x and...
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 ArticleProblem Solving (PS) | Re: The salaries A, B, C are in the ratio 2 : 3 : 5....
The answer is (C).Let the salaries of A, B and C = 2x, 3x and 5x respectively.--> New salaries = 2.3x, 3.3x and 6x.--> A : B : C = 2.3 : 3.3 : 6Multiply by 10:A : B : C = 23 : 33 : 60Statistics :...
View ArticleProblem Solving (PS) | Re: Divide $1200 among John, James and Mizan so that...
The answer is (E).Let the shares of John, James and Mizan = x, y and z respectivelyInterest for John = x * 0.2 * 2 = 0.4x --> Amount = x + 0.4x = 1.4xInterest for James = y * 0.167 * 3 = 0.5y -->...
View ArticleData Sufficiency (DS) | Re: If xy > 0, is (xy)^2
Bunuel wrote:If xy > 0, is\((xy)^2<\sqrt{xy}\) ?(1) 4/x > 7y(2) x − 16 >−16 Both sides of the inequality in the question stem are positive.Implication:We can safely square both sides, with...
View ArticleData Sufficiency (DS) | Re: If x and y are the lengths of the legs of a right...
Shivanibh25 wrote:Bunuel wrote:If x and y are the lengths of the legs of a right triangle, what is the value of xy ?(1) The hypotenuse of the triangle is \(10\sqrt{2}\).(2) The area of the triangular...
View ArticleProblem Solving (PS) | Re: At the start of a certain week, a school library...
The answer is (C).Books issued on Tuesday = xBooks issued on Wednesday = 2x--> Total books issued = 3xBooks issued on Tuesday not returned = x * (75/100) = 3x/4Books issued on Wednesday not returned...
View ArticleData Sufficiency (DS) | Re: How tall is Maggie? (1) Last year, Maggie was 5...
The answer is (B).(1) No information about Maggie's current age --> Insufficient.(2) x + 2 inches = 6 feet --> x = 6 feet - 2 inches --> x = 5 feet 10 inches --> Sufficient.Statistics :...
View ArticleProblem Solving (PS) | Re: Alan's monthly income is m dollars. Every month he...
The answer is (B).Monthly saving = m - (m/5) - (m/4) = (20m - 4m - 5m)/20 = 11m/20Let the number of months required = x--> (11m/20) * x = $110--> x = 110 * 20/11m = 200/mStatistics : Posted by...
View ArticleProblem Solving (PS) | Re: P can hit a target 4 times in 5 shots, Q, 3 times...
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 ArticleProblem Solving (PS) | Re: Every page of a book is numbered from 1 without...
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 ArticleData Sufficiency (DS) | Re: Is the length of a side of square S greater than...
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 ArticleProblem Solving (PS) | Re: If m
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 ArticleProblem Solving (PS) | Re: A retailer bought a machine at a wholesale price...
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 ArticleData Sufficiency (DS) | Re: Is n an integer less than 5?
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 ArticleData Sufficiency (DS) | Re: If a and b are consecutive negative integers, is...
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 Article