Last Updated on May 11, 2023
GMAT OFFICIAL GUIDE PS
Solution:
Since the school is 4 miles from Carlos’s house, and Barb’s house is halfway between the school and Carlos’s house, Barb’s house is 2 miles from the school.
Since the school is halfway between Abdul’s house and Barb’s house, the school is 2 miles from Abdul’s house.
Thus, Abdul’s house is 2 + 4 = 6 miles from Carlos’s house.
Answer: D