A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

What is the difference between a jeweller and a jailer?

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

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?

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

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

John is the son of Jacob.
So,
Jacob is the_____of John's father?

John was piloting a plane behind a car but was never able to overtake it. Why?

What is black when you buy it, red when you use it, and gray when you throw it away?