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Math (DS) If and are positive integers, is an integer? 1. 2. OA and Explanation Verbal (SC) Even as they never forgave the Crusaders who overran their homeland, the Syrians…
Posts published by “dzyubam”
When it comes to taking practice tests, many GMAT testtakers fall into one of two categories. The first type is made up of students that think of practice tests as…
Math (PS) If among 5 children there are 2 siblings, in how many ways can the children be seated in a row so that the siblings do not sit together?…
1,960 = 49 x 16 x y. What is the value of y? When most testtakers encounter problems such as the one above, they have a predictable, yet incorrect, reaction.…
Math (PS) Comet A is seen near the Earth every 12 years while comet B every 20 years. If both comets were observed in 1979, for how many years do…
Math (PS) If is divisible by 4, which of the following must be true? (A) If is even then is odd. (B) If then is not a positive integer. (C)…
Math (DS) Is the mean of a non-empty set bigger than its median? 1. All members of are consecutive multiples of 3 2. The sum of all members of equals…
Many GMAT preppers run into problems on Critical Reasoning questions because they settle for too broad of an understanding of the conclusion. Here are a few examples that show why…
Math (DS) If , , and are midpoints of sides , , and of triangle . What is the area of triangle ? 1. The area of is 2. is…
The key to ratio problems on the GMAT is to remember all of the different ways a ratio can be written. Most students are used to seeing ratios denoted by…