Quite a lot of interesting DS questions appear from Number Properties and Number Theory. Here is one such question.When a positive integer 'x' is divided by a divisor 'd', the remainder is 24. What is d?1. When 2x is divided by d, the remainder is 23.2. When 3x is divided by d, the remainder is 22.Correct AnswerChoice A. Statement 1 alone is sufficient; statement 2 is not … [Read more...] about Number Properties DS – Remainders, divisors
Coordinate Geometry DS – Slope of Lines
Here is a data sufficiency question from Coordinate geometry. Is the slope 'm' of the line y = mx + c positive? 1. The x and y intercepts are both negative. 2. The line passes through the first quadrant.Correct Answer : Choice A. Statement 1 alone is sufficient.Explanatory AnswerPositive Sloping Lines : The x and y intercepts of the line are of opposite signs. If the x … [Read more...] about Coordinate Geometry DS – Slope of Lines
GMAT Descriptive Statistics : Averages
Question If the average of 5 positive integers is 40 and the difference between the largest and the smallest of these 5 numbers is 10, what is the maximum value possible for the largest of these 5 integers? A. 50B. 52C. 49D. 48E. 44 Correct Answer : Choice D. 48 ExplanationThe average of 5 positive integers is 40. i.e., the sum of these integers = 5*40 = 200 Let … [Read more...] about GMAT Descriptive Statistics : Averages
Geometry Triangles Data Sufficiency
Here is a DS question on Geometry on basic properties of triangles. Is triangle ABC with sides a, b and c acute angled? 1. Triangle with sides a2, b2, c2 has an area of 140 sq cms. 2. Median AD to side BC is equal to altitude AE to side BC. The correct answer is Choice A. Statement 1 alone is sufficient, while statement 2 is not. Explanation From the information … [Read more...] about Geometry Triangles Data Sufficiency
What is the Penalty for not completing the GMAT test?
All of us have known for a while that there is a substantial penalty for not completing either or both the sections in the GMAT test.I have provided a simplified version of how the penalty works – based on the inputs received from the GMAT Test Prep Conference held on Dec 9, 2011 @ Gurgaon.Let us say I attempt 34 out of the 37 questions in the GMAT Quant section. And to … [Read more...] about What is the Penalty for not completing the GMAT test?