CetKing

Try this Problem: * “For which of the following functions f is f(x) = f(1 – x) for all x? (A) f(x) = 1 – x (B) f(x) = 1 – x2 (C) f(x) = x2 – (1 – x)2 (D) f(x) = x2(1 – x)2 Testing Cases is mostly what it sounds like: you … Read more

This article doesn’t address how to answer reading comprehension questions; it focuses on the initial read-through and note-taking. If you do that well, though, then that should help you answer any kind of question. Goals Whenever we start a specific type of problem, we should have certain goals in mind (depending, of course, on what … Read more

The rate and work questions  tend to be fairly long, and the set-up is pretty complex, plus we get to build a table before we dive into the equations! Try this problem out: * Pumps A, B, and C operate at their respective constant rates. Pumps A and B, operating simultaneously, can fill a certain … Read more

The word “that” is one of the most flexible words that the CAT tests. It can take several roles and could easily be misused. More commonly, it serves as a red herring that forces readers to stop and think about the wrong things. That said, let’s get down to the nitty-gritty of how “that” can … Read more

Try this problem: If n is a multiple of 5 and n = p 2 q , where p and q are prime numbers, which of the following must be a multiple of 25?” (A) p 2 (B) q 2 (C) p q (D) p2q2 (E) p3q“ So p and q are primes. They could … Read more

Try this passage here: A meteor stream is composed of dust particles that have been ejected from a parent comet at a variety of velocities. These particles follow the same orbit as the parent comet, but due to their differing velocities they slowly gain or fall behind the disintegrating comet until a shroud of dust … Read more