A university offers three main programs: Engineering (200 students, 85% job placement), Arts (150 students, 70% job placement), and Business (250 students, 90% job placement). The university wants to increase the overall average job placement rate. Which program, if its job placement rate increased by 5 percentage points, would have the largest impact on the *overall* average job placement rate across all programs?

The correct answer to the question "A university offers three main programs: Engineering (200 students, 85% job placement), Arts (150 students, 70% job placement), and Business (250 students, 90% job placement). The university wants to increase the overall average job placement rate. Which program, if its job placement rate increased by 5 percentage points, would have the largest impact on the *overall* average job placement rate across all programs?" is Option C: Business.

The other options — A) Engineering, B) Arts, D) The impact would be equal for all programs. — are incorrect for this GMAT Exam Prep question. As explained above: A 5 percentage point increase in a program's placement rate will have the largest impact on the overall weighted average if that program has the largest number of students. Business has 250 students,…