I am five letter word that is under you.
If you remove my 1st letter, then I am over you.
If you remove my 1st and 2nd letters then I am all around you.

Who am I?

I am the fastest animal but cannot climb the tree. What am I?

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?

Can you start the fire using two pieces of wood?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

What can you hold in your right hand, but never in your left hand?

What can jump higher than a building?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Below rebus represent famous DiCaprio movie. Can you name it?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?