What goes up but never comes down?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

What 5-letter word typed in all capital letters can be read the same upside down?

Find the missing number in the image below.

What is common among 11, 69, and 88?

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

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

I organized a small get together at my home.
In the party , i have a barrel with some whiskey in it.

Suddenly Guest 1 say 'I bet this barrel of whiskey is more than half full'.
'No, it's less than half full' Guest 2 replied.

I don't have any measuring instrument and without removing whiskey from it , how can i determine which of the guest is right ?

Whats the next number in the below number sequence pattern.

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?