A table displays quarterly production units (in thousands) for three factories (A, B, C) across four quarters. Factory A: Q1=120, Q2=130, Q3=125, Q4=140. Factory B: Q1=100, Q2=110, Q3=115, Q4=130. Factory C: Q1=150, Q2=145, Q3=155, Q4=160. Which factory had the greatest percentage increase in production from Q1 to Q4?

The correct answer to the question "A table displays quarterly production units (in thousands) for three factories (A, B, C) across four quarters. Factory A: Q1=120, Q2=130, Q3=125, Q4=140. Factory B: Q1=100, Q2=110, Q3=115, Q4=130. Factory C: Q1=150, Q2=145, Q3=155, Q4=160. Which factory had the greatest percentage increase in production from Q1 to Q4?" is Option B: Factory B.

The other options — A) Factory A, C) Factory C, D) Factories A and C had the same greatest increase — are incorrect for this GMAT Exam Prep question. As explained above: Factory A: (140-120)/120 = 16.67%. Factory B: (130-100)/100 = 30%. Factory C: (160-150)/150 = 6.67%. Factory B had the greatest percentage increase.