GMAT Rate Problems: Combined Work Problems

GMAT Rate Problems: Combined Work Problems

Welcome back to our series on rate problems. In the first article, we introduced the relationship between the variables of rate, work, and time – or speed, distance, and time. This article and the next will teach you how to approach combined work problems which...
GMAT Rate Problems: The Rate, Work, Time Relationship

GMAT Rate Problems: The Rate, Work, Time Relationship

The quantitative section of the GMAT works by using simple mathematical relationships to create challenging problems. This makes rate problems – which depend on simple relationships that are surprisingly versatile in their presentation and arrangement – a...
GMAT Number Properties: Multiples and Consecutive Integers

GMAT Number Properties: Multiples and Consecutive Integers

Welcome back to our series on number properties. The last two articles introduced GMAT quant problems that revolve around place value in multi-digit integers. This article returns to the “divisibility and factors” core of number properties. But now we are looking at...
GMAT Number Properties: Switching Digits

GMAT Number Properties: Switching Digits

Welcome back to our series on number properties. In the last article, we learned about place-value problems. This article will cover the related topic of switching digits in two-digit integers. Here are some examples of what that means: Place-value problems 75...
GMAT Number Properties: Place Value Problems

GMAT Number Properties: Place Value Problems

Welcome back to our series on number properties. This article will introduce GMAT quant problems that revolve around the relationships between the digits of multi-digit integers. This topic can be tricky because we all know how the base-10 system works, but this...