What is common among 11, 69, and 88?

I have an eye but still cannot see.

Who am I?

You need to move three matchsticks to form three squares. Can you do it?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

A lion and its tamer are standing inside a cage that measures 1 unit in radius. Both of them can effortlessly run at the speed of 1 unit maximum.

1) Suppose the lion is hungry, will he be able to eat up the tamer?
2) If yes, how long can the tamer survive?

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

There are three boxes. One is labeled "APPLES" another is labeled "ORANGES". The last one is labeled "APPLES AND ORANGES". You know that each is labeled incorrectly. You may ask me to pick one fruit from one box which you choose.

How can you label the boxes correctly?

A game is being played where eight players can last for thirty-five minutes. Six substitutes alternate with each player in this game. Thus, all players are on the pitch for the same amount of time including the substitutes.

For how long is each player on the pitch?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

What does this rebus riddle mean?