Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?

Which is heavier: a ton of bricks or a ton of feathers?

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?

What is full of holes but still holds water?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

I add 5 to 9 and get 2. The answer is correct, so what am I?