A recent report published in the local newspaper determined that 80 percent of drivers on Colorado highways regularly use their seat belts. However, 65 percent of drivers pulled over on routine traffic stops were NOT using their seat belts. Clearly, drivers who drive recklessly often also do not wear their seat belts.The conclusion drawn above depends on which of the following assumptions?

About a third of the questions that appear in the GMAT verbal section are critical reasoning questions.Typical questions that appear in critical reasoning (GMAT CR) include strengthening an argument, weakening an argument, identifying the assumption of an argument, mimic the reasoning, identify the reasoning, conclusion, inference, bold faced statements, and evaluating an argument.

Each of the critical reasoning questions is based on a short argument, a set of statements, or a plan of action.