Which wheel of car does not rotate when you turn your car right?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

I have teeth but i don't bite. Who Am I ?

Be active and find the killer in the picture Riddle below.

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

What have one eye but still cannot see?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

By using 'because' continuously three times, can you make an English statement ?

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?