What is the Surname of Barbie Doll?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

What kind of storm is always in a rush?

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

Why 1729 is a magic number? Answer Logically.

A journalist was investigating a sacred cult in the jungles of Africa when he was caught by one of the person. He was confined in a cave till the leader arrived. The leader told him that he need to tell him a statement. If he thinks the statement is true, then the journalist head will be chopped off. If he thinks that the statement is false, his head will be smashed with a hammer.

What statement did the journalist make to survive?

What can go up a chimney down, but can’t go down a chimney up?

What type of tree can I carry in my hand?

There were three women in all the swimming costumes!
One was happy and the other two were sad!
The happy one was crying and the sad ones were smiling.
Why was this?