Can you solve this picture maths equation?

Find the missing number in the image below.

Using eight eights and addition only, can you make 1000?

What happened when the wheel was invented?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

Which alphabet is a part of our body?

Find the missing number in the sequence below:

You are trapped in a room with two doors. One leads to certain death and the other leads to freedom. You don't know which is which.
There are two robots guarding the doors. They will let you choose one door but upon doing so you must go through it.
You can, however, ask one robot one question. The problem is one robot always tells the truth, the other always lies and you don't know which is which.
What is the question you ask?