Given, Eight members of a family “ Archana, Suman, Dheeraj, Meghana, Bindu, Tilak, Rajan and Kiran are sitting in a straight line facing North.They have different ages “ 12,17, 19, 22, 28, 31, 38 and 48 1) Archana is sitting third to the right of the one who is 22 years old. 2) Archana is sitting in the middle of Kiran and Tilak. Archana is 12 years younger than Dheeraj.3) Rajan and Dheeraj are sitting together and one of them is sitting at the extreme end of the line.4) Kiran is not 12 years old.5) One person is sitting between Kiran and one whose age is 48 years.6) The difference between the ages of Bindu and Kiran is 5 years.7) Meghana and the one who is 22 years old are sitting together.8) The one who is 10 years older than Meghana is sitting third to the right of Meghana. Final arrangement:From the arrangement;Tilak is sitting third to the right of Meghana.Hence, the correct answer is "Tilak".