Replace all '*' with digits 1, 2, 3, 4, 5 and 6 to make below statement true.

* *
x *
=====
* * *

What has no start, end, or centre?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

There are forty elephants and they have forty-fore heads. How can this be possible?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

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

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

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?