Can you find the key in the picture below?

You stand in front of two doors. A guard stands next to each door. You know the following things: one path leads to paradise, the other leads to death. You cannot distinguish between the two doors. You also know that one of the two guards always tells the truth and the other always lies. You have permission to ask one guard one question to discover which door leads to paradise. What one question would you ask to guarantee you enter the door to paradise?

How many Watermelons are there in the below picture?

A blonde put eyeliner on her head. Why?

The cream is heavier than Milk. True or False?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

Where do you go to learn how to make ice cream?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Here is what you have to do. You have to throw a ball as hard as you can but it must return back to you even if it does not bounce at anything. Also, you have nothing attached to the ball. There is no one on the other end to catch that ball and throw it back at you.

How will you do it?