Common SC Errors: Comparisons and Contrasts

Common SC Errors: Comparisons and Contrasts

Comparing or contrasting two things or ideas is a common function of Sentence Correction questions on the GMAT. GMAT Comparison and contrast errors fall into two main categories: (1) using incorrect and unidiomatic wordings to express the comparison/contrast (2)...
GMAT Rate Problems: Algebraic Answers

GMAT Rate Problems: Algebraic Answers

Welcome back to our series on GMAT quant rate problems. In this final article, we’ll explore problems that have algebraic expressions as answer choices. You have a few options whenever you encounter one of these problems, but this article will focus on solving them by...
GMAT Rate Problems: Change of Speed Problems

GMAT Rate Problems: Change of Speed Problems

Welcome back to our series on GMAT quant rate problems. In the last two articles, we saw how GMAT quant problems employ the concepts of average speed and instantaneous speed. This article will introduce methods for solving problems where the speed of a vehicle...
GMAT Rate Problems: Instantaneous Speed

GMAT Rate Problems: Instantaneous Speed

Welcome back to our series on GMAT quant rate problems. In the last article, we learned about average speed and observed various ways that data sufficiency problems can try to “trick” test-takers with this concept. This article will contrast average speed against...
GMAT Rate Problems: Inequalities

GMAT Rate Problems: Inequalities

Welcome back to our series on GMAT quant rate problems. The last article covered rate problems with geometry elements. In this article, we’ll see how rates are used in data sufficiency inequalities problems. Inequalities are a common form of data sufficiency problems,...