HiQuestions testing you understanding of the link betwen Mean and Median are frequently tested in the GMAT.Here is a basic but interesting question on the combo.QuestionPositive integers from 1 to 45, inclusive are placed in 5 groups of 9 each. What is the highest possible average of the medians of these 5 groups?A. 25B. 31C. 15D. 26E. 23 Correct AnswerChoice B. 31 is the … [Read more...] about Mean, Median – GMAT Descriptive Statistics
GMAT Geometry DS
DirectionsThis data sufficiency problem consists of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements, plus your knowledge of mathematics and everyday facts (such as the number of days in a leap year or … [Read more...] about GMAT Geometry DS
GMAT Quant | Coordinate Geometry
This GMAT Quant Practice question is from coordinate geometry. A GMAT hard math question. The question can be classified as a GMAT 700 level question. The primary idea tested in this GMAT quant question: equations of straight lines and coordinates of points that lie on the straight line. GMAT Quant Question Set S contains points whose abscissa (x coordinate of the point) and … [Read more...] about GMAT Quant | Coordinate Geometry
Number Properties – Product of factors
What is the product of all positive factors of 18? A. 324 B. 5832 C. 39 D. 1521 E. 3042 The correct answer is 5832. Choice B. Let us first focus on how to find the answer methodically and then understand why the method works. The How? Step 1: Find the number of factors for 18. Step 1a. Express 18 as a product of its prime factors. 18 = 2 * 3^2 Step 1b. Increment the … [Read more...] about Number Properties – Product of factors
GMAT Data Sufficiency : Absolute Value
Is xy < 0?(1) 5|x| + |y| = 0(2) |x| + 5|y| = 0 … [Read more...] about GMAT Data Sufficiency : Absolute Value