How many triangles are there on the puzzle below?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

What is the centre of gravity?

Why do Chinese men eat more rice than Japanese men do ?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

A newspaper is supposed to have 60 pages.Pages 14 and 21 are missing from the newspaper.

Can you tell me , Which other pages won't be there as well ?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

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?

Can you find out which options fits best with the missing column?

How can a man go eight days without sleep?