# Tag Archives: GMAT prep

### The Logic of GMAT Data Sufficiency

I recently received an e-mail from someone undergoing a mini-crisis over GMAT Data Sufficiency. I’ve decided to share the e-mail and my thoughts with the GMAT world: “… so critical reasoning isn’t much of a problem, nor is problem solving. But I can’t, for the life of me, wrap my mind around data sufficiency. And, really, I don’t understand why it appears on the GMAT….

### The Logic of GMAT Data Sufficiency

I recently received an e-mail from someone undergoing a mini-crisis over GMAT Data Sufficiency. I’ve decided to share the e-mail and my thoughts with the GMAT world: “… so critical reasoning isn’t much of a problem, nor is problem solving. But I can’t, for the life of me, wrap my mind around data sufficiency. And, really, I don’t understand why it appears on the GMAT….

### The Most Common GMAT Data Sufficiency Mistake

As anyone who has prepared for the GMAT would attest to, the GMAT data sufficiency is probably the trickiest component of the test. Along with requiring an abundance of abstract thought, its strange wording and structure naturally induce students to make mistakes. Here, I’m going to discuss the #1 mistake students make on data sufficiency: They don’t evaluate the statements independently! Let’s look at a…

### The downside of commercial GMAT materials

As a full-time GMAT tutor and a frequent reader of GMAT forums, I see many students who spend a decent chunk of their prep time using commercial materials. In a way, the use of commercial practice questions is almost inevitable: If you sign up with a company, you do so with the belief that its materials will accurately reflect what’s on the GMAT, and you…

### GMAT Inconsistency

I recently began working with a student who is confronting a fairly unique challenge. She is fantastic at Quant, but the two times she took the GMAT, her Verbal scores varied wildly: 36 her first sitting and 15 the next. When confronted with such a situation, my first assumption is that the student’s problem is only somewhat conceptual. After all, if she was able to…