5 racers => 5! ways total = 120
since there are no ties => either A has to be ahead of B, or B has to be ahead of A.
120/60=60 ways.
EDIT:
meant to say 120/2=60 ways
BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course
RedeemProbability problem----need help
This topic has expert replies
Source: Beat The GMAT — Problem Solving |