Mar 25, 2021 | GMAT, Number Theory, Quant
By: Rich Zwelling (Apex GMAT Instructor) Date: 25 March 2021 Last time, we left off with the following GMAT Official Guide problem, which tackles the Number Theory property of consecutive integers. Try the problem out, if you haven’t already, then we’ll get into the...
Mar 23, 2021 | GMAT, Number Theory, Quant
By: Rich Zwelling, Apex GMAT Instructor Date: 23rd March, 2021 In our last post, we left you with a GMAT Official Guide Data Sufficiency problem to tackle regarding Odd/Even Number Theory. Here it is, if you didn’t get a chance to do it before: If x and y are...
Mar 18, 2021 | GMAT, Number Theory, Quant
By: Rich Zwelling, Apex GMAT Instructor Date: 18th March, 2021 Last time, we signed off with an Official Guide GMAT problem that provided a nice segue into Number Theory, specifically today’s topic of GMAT Odds and Evens. Now we’ll discuss the solution. Here’s the...
Mar 14, 2020 | GMAT, Number Theory, Quant
Today we’re going to be looking at the Remainder Number Theory problem: If 23 is divided by some integer n, the remainder is 3. I. Is n even? II. Is n a multiple of 5? III. Is n a factor of 120? (A) I and II only (B) III only (C) I, II, and III (D) II and III...