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

You are playing as white and given four rooks to checkmate the black king in four moves with the following rules 1. You can place one rook every move and ensure the black king should be in check position.2. After four moves the black king should be in the checkmate position.

There are four 3-link chains. All you have to do is join them into a big 12-link chain. For joining two closed links, one of the links must be cut and placed onto the other link for closing.

How many minimum links will you have to cut to make the big chain?

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?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Replace the question mark in the picture below.

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Which alphabet letter is a question?

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?