maihuna Legendary Member View User Profile Posts: 1578 Joined: Sun Dec 28, 2008 1:49 am Thanked: 82 times Followed by:9 members GMAT Score:720 couples by maihuna » Fri Oct 30, 2009 11:37 am Two couples and one single person are seated at random in a row of five chairs. What is the probability that neither of the couples sits together in adjacent chairs? 1/5 1/4 3/8 2/5 1/2 Charged up again to beat the beast Top Quote
