What is the next number in this series?

4,12,84,3612....

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Can you divide the below-given shape into four equal and identical pieces?

Solve this riddle by finding the odd one out from the rest.

Assume the given figure to be a delicious doughnut. Yes, now you can concentrate more on the puzzle. So you have this delicious doughnut in your refrigerator when your friends come knocking at the door. There are eight of them. Now you have to make three cuts in this doughnut so that each one of you nine people can enjoy a piece of it. Neither you nor your friends would mind the size of their piece as long as they are getting it. How will you do it?

Find the next number in the sequence

5 12 24 36 ?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

Manish and Manoj play 5 games of chess.
Both Manish and Manoj win the exact same number of games. There is no tie at all.

How?

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat