What is common among 11, 69, and 88?

What will you call your mother's brother's brother-in-law?

A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

You walk into an old horror house. It has no power or plumbing. Once inside, you see three doors. Each door has a number on it. Behind each door is a way for you to die. Behind door number one, you die by getting eaten by a lion. Behind door number two, you die by getting murdered. Behind door number three, you die by an electric chair. You can’t turn back, so you have to go through a door. Which door do you go through?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

Find out the missing number in the picture attached: