30 mph for 30 miles; time = 1 hr
60 mph for 30 miles; time = 1/2 hr
Avg speed: total distance/total time = 60/1.5 = 40
Answer B
What is OA?
BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course
RedeemAverage Speed
This topic has expert replies
Source: Beat The GMAT — Problem Solving |
