Its pure body is destroyed after it meets Miss Gold. It can get shorter when it gets older but wind will extinguish it. It love to glow. Breath is its foe. What is it?

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 youngest?

Q is as much younger than R as he is older than T. If the sum of the ages of R and T is 50 years, what is definitely the difference between R and Q's age?