People put me on the table and cut me but do not eat me. What am I?

What goes up but never comes down?

At a bar, three friends, Mr Green, Mr Red and Mr Blue, were having a drink. One man was wearing a red suit; one a green suit; and the other a blue suit. 'Have you noticed,' said the man in the blue suit, 'that although our suits have colours corresponding to our names, not one of us is wearing a suit that matches our own names?' Mr Red looked at the other two and said, 'You're absolutely correct. What colour suit is each man wearing?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

Replace the question mark with the correct number.

What's the best place to go shopping in the ocean?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Be active and find the killer in the picture Riddle below.

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

I have a big mouth and I am also quite loud! I am NOT a gossip but I do get involved with everyone's dirty business.