Directions: Study the following information carefully and answer the following questions. 

Seven persons Seven, Eleven, Eight, Five, Three, Two, and One are of different ages. The number of persons younger than One is as same as the number of persons older than Two. One is older than Seven but younger than Five. The ratio of the ages of One and Seven is 5:2. Eleven is younger than Eight, who is not the oldest person in the group. Two is the third youngest person in the group. Eleven is older than Two, who is older than Seven.