What is in seasons, seconds, centuries and minutes but not in decades, years or days?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

Count the number of triangles in the picture below:

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

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

What does below chemistry rebus means?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

What do you get if you add 2 to 100 four times?

You walk into a creepy house by yourself. There is no electricity, plumbing, or ventilation. Inside you notice 3 doors with numbers on them. Once you open the doors you will die a particular way. Door No.1 You’ll be eaten by a lion who is hungry. Door No.2 You’ll be stabbed to death. Door No.3 There is an electric chair waiting for you. Which door do you pick?