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

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

Which point will the car reach to go out?

Can you make a six-letter word using the letters N, A and B ?

I welcome the day with a show of light, I stealthily came here in the night. I bathe the earthy stuff at dawn, But by noon, alas! I'm gone.

Bopanna was working on a murder case when he received a message about the location of the murder weapon.
The message was encrypted as below.

"deb mitciv eht edisni neddih si nopaew redrum ehT"

Tell me the location of the murder weapon.

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

James ordered a fishing rod, priced at $3.56. Unfortunately, James is an Eskimo who lives in a very remote part of Greenland and the import rules forbid any package longer than 4 feet to be imported. The fishing rod was 4 feet and 1 inch, just a little too long, so how can the fishing rod be mailed to James without breaking the rules? Ideally James would like the fishing rod to arrive in one piece!

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?