If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

What does it mean?

What is the centre of gravity?

Replace the question mark with the correct number in below Picture:

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

Mr Black, Mr Gray, and Mr White are fighting in a truel. They each get a gun and take turns shooting at each other until only one person is left. Mr Black, who hits his shot 1/3 of the time, gets to shoot first. Mr Gray, who hits his shot 2/3 of the time, gets to shoot next, assuming he is still alive. Mr White, who hits his shot all the time, shoots next, assuming he is also alive. The cycle repeats. If you are Mr Black, where should you shoot first for the highest chance of survival?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

What is always in front of you but can’t be seen?

What you cannot hold but it is yours?