There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

What is both possible and impossible at the same time?

How many sides does a circle have?

What building has the most stories?

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?

In a competitive exam, each correct answer could win you 10 points and each wrong answer could lose you 5 points. You sat in the exam and answered all the 20 questions, which were given in the exam.
When you checked the result, you scored 125 marks on the test.

Can you calculate how many answers given by you were wrong?

What have one eye but still cannot see?

Who is that with a neck and no head, two arms and no hands? What is it?

What is next number in the pattern below:

131 517 192 123 ?