What is the riddle which can be asked all day with a different correct answer each time.

How many sides does a circle have?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

A girl was standing near the window thinking something. All of a sudden she decides something and throws something out of the window. She dies very soon after throwing it. She was perfectly healthy and had no disease or allergy. No one killed her and she did not commit suicide.

Can you think of any possible explanation that is logical as well for what happened there?

Which tank will fill first?

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

A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

Find the hidden tiger in the given optical illusion ?

Before Mount Everest was discovered, what was the highest mountain in the world?

Solve the equation in the image by looking at the pattern closely.