2, 3, 5, 9, 17, _ What is the next number in the sequence?

What has no start, end, or centre?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

What word does this rebus represent?

meta meta
meta meta

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

Complete the table series riddle by finding the number that can replace "??".

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain