What is the next number in this matchsticks series riddle?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

10+10 and 11+11 can give you the same answer.

Explain how?

French Police inspects a room where there are no windows, no doors, no tables and is almost empty expect there is just a puddle of water. They found a dead man who obviously hung herself from the ceiling, but they are not able to figure out how this had happened.

John and Jacob entered the crime scene and easily able to solve the case.

How did the man die?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

Solve this tricky question. You are trapped in a forest. With you, you have a gun preloaded with two bullets in it. In front of you, there is a tiger, a leopard and a jaguar.

How do you survive?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

For this puzzle, you might have to find logic in something illogical. But hey, it's fun and a healthy little break from your strenuous puzzle-solving sessions.

Can you decipher the meaning in the following cluster of letters?

ITIT,NCENTCENT

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?