If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

No matter how little or how much you use me, you change me every month. What am I?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

What happened when the wheel was invented?

A bus driver was heading down a street in Mexico. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?

Replace the question mark with the correct number.

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

Can you name an animal whose killing cannot be performed without spilling your own blood?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?