This one is an Inequalities and Number Properties Data Sufficiency Question. You will most likely get questions that test indices, absolute value and inequalities in the GMAT quant section - in its potent variant - data sufficiency. I strongly recommend that you understand the basics … [Read more...]

## DS Inequalities – Modulus

Here is a data sufficiency question that combines the concepts of modulus, indices and inequalities. Is |a| > a? 1. a2 < a 2. (a/2) > (2/a)The magnitude of 'a' will be greater than a only if 'a' is a negative number. For positive numbers the magnitude of 'a' will be equal to 'a'.So, what we … [Read more...]