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?

A father's child, a mother's child, yet no one's son.

Who am I?

If an earthquake is 1 point higher on the Richter Scale than another earthquake which is actually 10 times stronger, how much stronger would an earthquake be if it was just half a point higher on the Richter scale?

Before the start of the car race, John and Jacob have the same amount of fuel in their car. With this fuel, John can drive for 4 hours while Jacob can drive five hours.
After a time they realize that the amount of fuel left in John's car is 1/4th of the fuel in Jacob's.

For how long they are racing?

While sitting in the Car, John suddenly finds that one of the wheels was missing. John noticed that a killer is approaching towards him. John cannot get out of the car.

How will John escape?

Find out the missing number in the picture attached:

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

Can it be possible to build a house that has all its four walls facing towards the South?

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Different lights make me strange by changing me into different sizes. What am I?