Blog: Archive for the “Uncategorized” Category

Each week Manhattan GMAT posts a 700 level GMAT question on our blog and follows up with the answer the next day. Are you up for the challenge? If 2x + 2y = x2 + y2, where x and y are nonnegative integers, what is the greatest possible value of |x – y|? (A) 0 (B) 1 … Read More  

Yesterday, Manhattan GMAT posted a 700 level GMAT question on our blog. Today, they have followed up with the answer: Don’t be afraid to assign variables even when none are given in the problem. “Two positive numbers differ by 12” can be written as: x – y = 12 And “their reciprocals differ by 4/5” … Read More  

Each week Manhattan GMAT posts a 700 level GMAT question on our blog and follows up with the answer the next day. Are you up for the challenge? Two positive numbers differ by 12 and their reciprocals differ by 4/5. What is their product? (A) 2/15 (B) 48/5 (C) 15 (D) 42 (E) 60

Yesterday, Manhattan GMAT posted a 700 level GMAT question on our blog. Today, they have followed up with the answer: We cannot easily rephrase the question. Note that we may not need to know x in order to know how many factors it has. Statement (1): INSUFFICIENT. Without knowing the value of n, we cannot … Read More  

Each week Manhattan GMAT posts a 700 level GMAT question on our blog and follows up with the answer the next day. Are you up for the challenge? How many factors does x have, if x is a positive integer? (1) x = pn, where p is a prime number. (2) nn = n + … Read More