How many points are there on the globe where, by walking one mile south, then one mile east and then one mile north, you would reach the place where you started?
Kareena is older than Katrina and younger than Karishma. Isabelle is younger than Bipasha and Karishma. Bipasha is older than Karishma. If Kareena and Isabelle are the same age, who's the youngest?