Can you find out the missing number in the grid?

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

John was drowned by he was not wet. How?

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

How could a baby fall out of a twenty-story building onto the ground and live?

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?

John was piloting a plane behind a car but was never able to overtake it. Why?