I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

There is something which is always coming but never arrives?

Rearrange the letters in "new door" to make one word.

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

A woman is sitting in her hotel room and hears a knock at the door. She opens the door to see a man whom she’s never met before. He says, “I’m sorry, I have made a mistake, I thought this was my room.” He then goes down the corridor and into the elevator. The woman goes back into her room and calls security. What made the woman so suspicious of the man?

Count the number of squares in the picture below.

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?