What breaks yet never falls, and what falls yet never breaks?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

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?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

In my garden, I have many trees but only one of them is the mango tree. In these mango trees, there are some mangoes(as expected).

But after a strong wind, there are neither mangoes on the tree nor on the ground. Explain?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

On a charity event in Russia, Murray beat Djokovic by winning six games and losing three games.
Note: There is a total of 5 service breaks(one who serve lost the game).
Who served first, Djokovic or Murray?