Remove two matchsticks to make the below equation correct.

Replace the question mark with the correct number below.

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

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

There are two dice with empty faces in front of you and a marker. You can mark any number on each of the faces of the two dice, but you have to display all 31 days of the month using the two of them.

Which numbers will you mark on which dice so that you can easily depict all the dates of the month?

A thief is convicted in Mexico. He gets the death penalty. The judge allows him to say the last sentence to determine how the penalty will be carried out. If the thief lies, he will be hanged, if he speaks the truth he will be beheaded. The thief tells the last sentence and to everybody's surprise some minutes later he is set free because the judge cannot determine his penalty. What did the thief say?

Move three sticks of the spiral below to form a square.

Why do people go to bed?

If 1+9+8=1, what is 2+8+9?

What is red and smells like blue paint?